2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org

 
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2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
ORC
         GUIDEBOOK

          2 19
THE WORLD’S FASTEST GROWING RATING SYSTEM EXPLAINED
   HOW ORC WORKS, FROM CERTIFICATES TO SCORING
        GET YOUR PASSPORT TO BETTER RACING
2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
CONTENTS

                                                                         		 5   Experience Change: Welcome to the Offshore Racing Congress.
                                                                         		 6   A Proven System: ORC continues to grow its fleet with accessibility and transparency.
                                                                         		10   Scoring Choices: Simple or complex, the choice is yours.
                                                                         		12   Worlds Together: Recognized by World Sailing, ORC is truly international.
                                                                         		15   Planting the Seed: Pioneering U.S. organizations embrace and explore ORC.
                                                                         		16   Certificate Deconstructed: Here’s what’s inside your passport to race.
                                  CREDIT

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2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
WELCOME
                                                                         EXPERIENCE CHANGE

                                                                         I
                                                                                     t is with great pleasure that we at the Offshore Racing Congress present to
                                                                                     you this new ORC guide. You will find it informative and useful to learn about
                                                                                     this system, which is used in more than 40 countries and 10,000 boats, mak-
                                                                                     ing it the largest science-based rating system in the world.
                                                                                        This publication is intended for all sailors, race managers, event organizers,
                                                                                     measurers, media, and everyone else who has an interest in learning about
                                                                                     how the ORC rating system brings competitive and fair racing to a wide variety
                                                                         of boat types, from small sportboats to enormous superyachts. Our four key features
                                                                         in achieving such success is through the use of science, transparency to all rules
                                                                         and policies, flexible options in ratings and scoring, and being affordable and
                                                                         applicable toward most boat types.
                                                                            Since 1969 ORC has been dedicated to providing a professionally managed sys-
                                                                         tem of measurement and rating rule development for the big-boat racing community
                                                                                                         to ensure there is an accurate, consistent and transparent
                                                                                                         means of delivering fair handicaps to promote fair and
                                                                                                         competitive racing. This is for all levels — Grand Prix and
                                                                                                         club-level racing alike — because everyone wants fair
                                                                                                         racing.
                                                                                                            The recent surge in the growth and popularity of our
                                                                                                         rule system and the immense popularity of our continental
                                                                                                         and world championship regattas show that our system
                                                                         is working well. We invite you to come out and race using ORC to experience it for
                                                                         yourself.
                                                                            We also hope, whether you are trying ORC for the first time or are just looking to
                                                                         understand more of what you may already know, that this Guide serves as a good
                                                                         resource for your understanding of this system.
                                                                            We wish you the very best luck in pursuing fast, safe and competitive sailing.

                                                                          Bruno Finzi
                                  CREDIT
                                                                          CHAIRMAN, OFFSHORE RACING CONGRESS

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2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
At Quantum Key
                                                                                                                                                                                                   West Race Week
                                                                                                                                                                                                   2016-17, the Storm
                                                                                                                                                                                                   Trysail Club used
                                                                                                                                                                                                   ORC Club for
                                                                                                                                                                                                   two classes in lieu
                                                                                                                                                                                                   of PHRF in order
                                                                                                                                                                                                   to get more
                                                                                                                                                                                                   objective and
                                                                                                                                                                                                   consistent ratings
                                                                                                                                                                                                   without having
                                                                                                                                                                                                   to convene a
                                                                                                                                                                                                   consortium as in
                                                                                                                                                                                                   years past. At the

            A PROVEN SYSTEM
                                                                                                                                                                                                   high-level ORC
                                                                                                                                                                                                   Championship
                                                                                                                                                                                                   events, such as
                                                                                                                                                                                                   the 2015 Volvo
                                                                                                                                                                                                   Estonia ORC
                                                                                                                                                                                                   European
                                                                                                                                                                                                   Championship in

T
                                                        BY DOBBS DAVIS                                                                                                                             Parnu, the entry
                                                                                                                                                                                                   lists are growing
                                                                                                                                                                                                   every year with
                                he need for     and rating methods are open to evaluate.             The Offshore Racing Congress, since                                                           large fleets of
                                fair handi-         The secret approach is justified by         its inception in 1969, has embraced this                                                           both production
                                                                                                                                                                                                   and custom boats
                                cap ratings     rating authorities who believe users seek       open approach. Using the best available
                                                                                                                                                                                                   enjoying close
                                between         loopholes and exploit the rule system to        science from aero- and hydrodynam-                                                                 competitive
                                different       design and build so-called “rule-beaters”       ics, coupled with the insights from yacht                                                          racing. Since
                                boats of dif-   that will win out of proportion to the abili-   designers, race managers and sailors,                                                              2011, every ORC
                                ferent types    ties of their crews. By giving themselves       ORC has developed and managed rating                                                               World Champion-
                                                                                                                                                                                                   ship has had 100
                                is as old as    the authority to change the rules in            systems for use with nearly every type
                                                                                                                                                                                                   entries or more,
                                the sport of    secret, these authorities can control any       of monohull. Starting with IOR, then IMS,                                                          and at this year’s
sailing itself, and in this long history        design trends they deem unfavorable             and now the ORC International, ORC                                                                 event at The
there have been numerous approaches             to the health of their fleet. In doing so,      Club and ORC Superyacht systems, ORC                                                               Hague Offshore
to solving this problem. These solutions        however, they may also be biased and in         has grown annually for the past several                                                            Sailing World
                                                                                                                                                                                                   Chanpionship in
can be broadly grouped into two different       favor of the boat types they feel are best      years to be the largest measurement-
                                                                                                                                                                                                   the Netherlands
styles: empirical methods that rate boats       for their fleet.                                based system in the world, used in 42                                                              that figure may
based on observed performance, and                  Secret systems therefore allow limited      countries, In 2017, ORC rating offices                                                             exceed 150
rating rules that try to model performance      access to their data to try and prevent         issued more than 10,000 certificates                                                               entries.
around measured parameters and the              exercises in reverse engineering the rule       worldwide.
formulations that then use that measured        formulations to determine what features              The success and growth of this sys-
data to devise handicaps.                       are needed in the design of a “rule-            tem is due to several factors, beginning
    In each approach there are two ways         beater.”                                        with accuracy and relevance. The system
to work the problem: in secrecy, where              An open approach allows access and          is producing race results that make
the data and measurements required for          promotes it to try and accommodate a            sense, rewarding the teams that sail
the rule may be revealed but not the for-       wide range of designs, to measure and           their boats with the most skill. It’s been
mulations to devise the handicaps, or with      understand them, and to rate them fairly        successful across a broad array of boat
                                                                                                                                                   CREDIT

                                                                                                                                                            CREDIT

transparency, where all data, formulations      using the best tools available.                 types, whether grand-prix racers, cruiser/

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2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
YOUR PATHWAY TO A CERTIFICATE
                                                                                                 wind speeds and angles.                                                     The two most common ORC Certificates - ORC Club and ORC International – use the same VPP engine to generate the ratings, but have
                                                                                                     The system is Adaptable: On each ORC                                 different levels of measurement input for their accuracy. For ORCi, its simple: everything must be measured before a Rating office will issue a
                                                                                                                                                                          certificate, and the services of a certified measurer are required to get these measurements. The result is a certificate with accurate ratings and
                                                                                                 certificate are non-spinnaker and double-
                                                                                                                                                                          which is good for all ORC racing worldwide at any level.
                                                                                                 handed rating options for when the boat                                     ORC Club is intended for local and regional-level races because the rating accuracy is only as high as the measurement input used to gener-
                                                                                                 may be raced in these modes without full                                 ate the certificate. Anyone can apply for an ORC Club certificate online at www.orc.org/clubcertificate and use the best information they have
                                                                                                 crew, and even with full crew the crew                                   available from a variety of sources. When this information is not available, then default values are used which are designed to give the boat the
                                                                                                 weight can be entered to more accurately                                 least favorable rating — measurement is therefore encouraged whenever possible.
                                                                                                                                                                             Your local ORC Rating office will issue certificates and be a valuable resource for questions related to measurement, measurers and certifi-
                                                                                                 calculate a rating from the default value
                                                                                                                                                                          cate process and cost, and consult the Notice of Race of races and regattas to determine which level ORC certificate is required for that event.
                                                                                                 generated by the system.
                                                                                                     There’s Local Support for the system
                                                                                                 in that rating offices are located in each
                                                                                                 country so that response to the customer                                   ORC CLUB                                                                  ORC INTERNATIONAL
                                                                                                 base is fast and relevant to the needs of the
                                                                                                                                                                            1. Gather measurement data for boat, sails, and rig. Best sources         1. Gather measurement data for boat, sails, and rig. Sources
                                                                                                 local fleets.
                                                                                                                                                                            are (in order of quality):                                                must be:
                                                                                                     As a result there’s Excellence in race                                                                                                           • local certified measurer
                                                                                                                                                                            • local certified measurer or class representative - for sails, sail-
                                                                                                 management. Because ORC’s rule is open
                                                                                                                                                                            maker measurements                                                        • for sails, sailmaker measurements accepted
                                                                                                 and published, World Sailing confers on
                                                                                                                                                                            • ORR full-measured certificate or sistership data found in ORCi          • ORR full-measured certificate for the same boat
                                                                                                 ORC the right to hold an annual ORC World                                  certificates in Sailor Services                                           • IRC endorsed or CSA measurement data accepted, plus ad-
                                                                                                 Championship, where the highest standards                                  • IRC endorsed, ORR partial-measured or CSA certificates                  ditional measurements needed from a measurer
                                                                                                 of rule and race management apply. These                                   • ORC Club or IRC non-endorsed certificates                               2. Data submitted by measurer to rating office, along with pay-
                                                                                                 standards have been developed and refined                                  • PHRF certificates                                                       ment of any processing and measurement fees.
                                                                                                 by ORC for the past 30 years in the orga-                                  • product literature from builder                                         3. Rating office reviews data to ensure completeness and quality.
                                                                                                 nization’s “Green Book,” which is managed                                  2. Enter data to online application at www.orc.org/clubapplica-           4. Rating office issues certificate and it gets uploaded to ORC
                                                                                                                                                                            tion. If in the US, pay for certificate at www.orc.org/usa.               database and retrievable online in Sailor Services
                                                                                                 and updated each year with input from race
                                                                                                                                                                            3. Data is received by ORC, sent to local rating office for review.       Because ORCi certificates are based on verifiable measurements
                                                                                                 organizers and sailors to produce the best
                                                                                                                                                                            4. Rating office issues certificate and it gets uploaded to ORC           and not estimates of defaults, they may be used in races and
                                                                                                 possible events for handicap racing. Having                                                                                                          events that use ORC Club, but not vice versa.
                                                                                                                                                                            database and retrievable online in Sailor Services
                                                                                                 Green Book standards also gives organiz-

“The success and growth of this system                                                           ers the criteria needed to bid for the right to
                                                                                                 host future championship event. Currently,
                                                                                                                                                                          FREQUENTLY ASKED QUESTIONS
is due to several factors, beginning with                                                        bids are stretched out two years in advance,
                                                                                                 giving sailors the chance to plan their racing

accuracy and relevance.”                                                                         programs well in advance.
                                                                                                     Technical progress on rule improvement                               Q        What do race organizers do with the certificate data?
                                                                                                                                                                                                                                                     ever, because the data used in an ORC Club certificate may not
                                                                                                                                                                                                                                                     be complete, the system then uses default data when measured
                                                                                                 is made through research performed by the                                                                                                           data is not provided. This default data is designed to give the

racers, old and new designs alike.               any rating office dating back to 2009. For
                                                                                                 International Technical Committee, whose
                                                                                                 members represent some of the brightest
                                                                                                                                                                          A     In structuring classes for their events, organizers will often
                                                                                                                                                                          look at the boat type and the GPH (General Purpose Handicap)
                                                                                                                                                                                                                                                     least favorable rating…therefore, the more measured data that
                                                                                                                                                                                                                                                     is provided, the more an ORC Club certificate will resemble the
                                                                                                                                                                                                                                                     accuracy of an ORCi certificate, where only measured data is
    Consistency is another hallmark of ORC.      a small fee for each, Sailor Services also      minds in design and technology today. The                                or CDL figure to understand the speed and sailing style of the             accepted.
The VPP-based system is objective and            allows users to use an existing record of any   ITC meets three to four times each year to                               boat. ORC Club certificates are intended for local and regional
universal, with no local variations determined
by regional rule committees. Recognition
                                                 boat’s certificate and edit measurements
                                                 to run a test certificate, get an ORC Speed
                                                                                                 work on rule changes that benefit rating
                                                                                                 accuracy for the entire ORC fleet.
                                                                                                                                                                          regattas, whereas ORCi certificates are intended for use at Na-
                                                                                                                                                                          tional and International-level events.                                     Q        Will my boat require re-measurement every year?

                                                                                                                                                                          Q                                                                          A
by World Sailing as an International Rating      Guide of polar performance data, or get a           Most importantly, the system is managed
System also ensures high standards of            Target Speed Card showing upwind and            by a Professional administrative staff based                                   How can I compare my rating in ORC to that in other                        No, unless changes are made to your boat, its rig, sails
consistency worldwide.                           downwind angles and boatspeeds specific         in Europe and the United States, providing                               systems?                                                                   or stability, in which case you should contact the Rating office.
    Accessibility is important for owners and    to your boat on a windward or leeward leg       several important functions: implementing                                                                                                           Certificates do, however, require re-validation every year.
that means easy access to all ORC rules
and policies, which are published and online
                                                 of an inshore course.
                                                     Flexibility, of course, allows the system
                                                                                                 seminars on measurement, scoring and
                                                                                                 race management, assisting at events with
                                                                                                                                                                          A     The short answer is you can’t because other systems use
                                                                                                                                                                          different assumptions and calculations to arrive at their ratings.         Q        How is the ORC VPP improved? How is it made open for
at the ORC website. Online applications          to flourish and meet the demands of wide        scoring and race management, providing                                   And ORC has a variety of rating options specified to course                input?
can be made for ORC Club and ORC Super           variety of owners, organizers and programs.     support for rating offices, and conducting                               types, wind speeds, etc, unlike most other systems. However, it
Yacht certificates. ORC’s Sailor Services
website is also a unique online database
                                                 ORC certificates offer a variety of rating
                                                 options, and these can be as simple or as
                                                                                                 rule analysis and respond to requests for
                                                                                                 rule improvement proposals. The staffs also
                                                                                                                                                                          may be useful to see how ORC ratings can vary between boat
                                                                                                                                                                          types across different wind speeds and directions.                         A     The International Technical Committee (ITC) is composed
                                                                                                                                                                                                                                                     of designers and technologists who meet three times per year
with a free registered log-in that allows        complex as desired by the race managers.        develop, program and manage the software
access to more than 100,000 measurement
records from boats measured for the ORC
                                                 These can be expressed in either Time on
                                                 Time or Time on Distance, tailored for spe-
                                                                                                 tools used for measurement, rating calcula-
                                                                                                 tions and scoring, as well as provide com-
                                                                                                                                                                          Q        How are ORC Club and ORCi certificates different?
                                                                                                                                                                                                                                                     to pursue research projects that are used to improve the rating
                                                                                                                                                                                                                                                     system. They examine a wide variety of topics, including new
                                                                                                                                                                                                                                                     studies to improve the aero- and hydrodynamic formulations used
and IMS rules, and free copies of any valid      cific types of racecourses or condensed into    munication services to educate and promote
                                                                                                                                                                          A                                                                          in the VPP or improvements in scoring methods based on input
                                                                                                                                                        CREDIT

                                                                                                                                                                 CREDIT

ORC Club and ORCi certificates issued by         simplified ratings to work across a range of    rule use.                                                                        The VPP used for all ORC certificates is the same. How-            and observations from sailors, race managers and from within the

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2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
SCORING
CHOICES                                                                                               SCORING SPORTBOATS
                                                                                                      TO SUPERYACHTS

A
                        s a result of having       the performance potential of different             USING THE POWER OF THE ORC
                        the complete matrix        boat types, in theory it can rate them fairly      VPP with some slight modifications,
                        of predicted boat          against each other in any range of wind            a wide variety of other boat types can
                        speeds at various          conditions and course types. In this way           rated. These include the ORC Sport-
                        wind strengths and         the Performance Curve Scoring option is            boat class of high-performance boats
                        directions, ORC rating     the most accurate and can make handicap            from 19 to 30 feet, and the Superyacht
                        systems can provide        yacht scoring significantly more fair than any     class of boats of 99 feet and larger. The
a variety of methods to calculate corrected        simplified scoring approach. This is the style     former typically compete in lakes and
time. Scoring options offered include the          used at ORC Championship events.                   other protected inshore areas, whereas
most sophisticated, where the boat’s perfor-          When used correctly, the differences in         the later compete both inshore and in
mance is taken into consideration depend-                                                                        short offshore races, often in
ing on the wind conditions, but also simple                                                                      exotic locales.
scoring options using single number scoring                                                                          Sportboats are a fast-
coefficients in either Time on Time or Time                                                                      evolving class of boats that
0n Distance formats. Simple scoring options                                                                      include series-built as well as
also include Performance line as a combina-                                                                      a handful of custom designs
tion of Time on Time and Time on Distance.                                                                       that can use ORC ratings to
There is also the Triple number system that                                                                      race together when one-
uses three different Time on Time coeffi-                                                                        design racing isn’t available.                                   SAILOR SERVICES: YOUR ONLINE PORTAL TO THE ORC SYSTEM
cients to be used in light, medium and heavy                                                                     They race mostly locally, but
breezes. All simple scoring options are also                                                                     many are trailerable and also                                    BEING AN OPEN AND TRANSPARENT RATING SYSTEM                         mance data or a Target Speed card can also be generated
given for either inshore or offshore races.                                                                      hit the road to participate in                                   requires access to all its parts, and ORC’s unique Sailor Ser-      using either existing measurement data of the certificate or
    This wide variety of scoring options may       corrected times calculated by ORC scoring          championship events that attract en-                                        vices portal provides this for one of the most complex aspects      by changing some measurements as may be appropriate. This
look complex, but it is actually one of the        options are often very small. In fact, it is not   tries from several countries. Sportboats                                    of the system: the measurements and certificates for the tens       feature is accessible from My Boats.
strength of the ORC rating systems to offer        uncommon in a typical ORC Championship             have typically been scored using the                                        of thousands of boats worldwide that have or have had ORC               This service is a powerful tool that is intended to allow the
race managers a variety to choose from             event of 7 to 9 races to have several ties         Triple Number system.                                                       certificates issued in the past 20 years or more. Currently         user to research the rating change effect of simple changes to
that best suits their fleet, their race type       in corrected time. This shows that these               With more than 100 Superyachts                                          there are over 100,000 records in this database.                    sails, rig, crew weight or other parameters, and to gain access
and their race conditions. The factors race        close margins reflect the differences in how       competing around the world, the Super                                            This service is designed to give boat owners, skippers, and    to boat certificates in the ORC database.
managers should consider when choosing             each team reaches its potential to race the        Yacht Racing Association and ORC                                            other interested parties such as measurers, race organizers             This service does not, however, have all the functions pos-
which scoring type to use include:                 course in their boat type, and not how the         have set up a rule system (ORCsy)                                           and sailmakers an opportunity to do the following:                  sible through a Rating Office, such as exploring the effect of
    Type and level of the fleet — it’s better to   boat itself rates in the handicap system.          dedicated to rate these large and com-                                           Search the online ORC certificate and boats database to        changes to the offset file (for changes in the hull or append-
use simple systems for club-level racing.          The use of ORC science thus equalizes all          plex yachts that have proven difficult                                      access and get copies of any ORC Club or ORC International          ages) or righting moment changes for Club certificates. For
    Type of race — windward/leeward or an          teams so that the race becomes a measure           to handicap, until now. With a manage-                                      certificate issued by any Rating Office since 2009. The da-         these contact either your Rating Office or a naval architect
offshore race                                      of their own potential to win.                     ment and measurement team dedi-                                             tabase also includes the available legacy IMS boat measure-         who may have the ORC DVP software.
    The difference between fastest and                 ORC offers PC-based scoring programs           cated to service this high-profile class,                                   ment data of the last 20 years.                                         These various services are offered using a credit-based
slowest boat — it’s important to know how          (such as CyAltura, Velum, and a new ORC            an enormous variety of boat types have                                           Download the measurement data from any boat in the             secure accounting system vended through PayPal. Discount
to divide classes and to combine entries for       program being offered soon) available for          been rated successfully, from sloops                                        database to edit its measurements of boat, rig, or sails (or also   pricing is available for large credit purchases.
overall prizes.                                    race managers to download from the ORC             to schooners that range from 50 to 600                                      stability for ORCi certificates).                                       Currently, test certificates cost about $10 each, Target
    Prevailing weather conditions — are            website, in addition to several other web-         tons in displacement. ORCsy ratings                                              Acquire an ORC Club or ORC International Test certificate      Speeds are $10 each, and Speed Guides are about $50,
they steady or variable during the race.           based programs also capable of scoring             use a matrix of eight possible time-on-                                     calculated by the ORC VPP software.                                 except when run off a test certificate, where they are $40. All
Local preference of a particular type — For        races using ORC ratings, including Manag-          time values calculated for light, light                                          Maintain “My Boats,” a personalized list of entries of cer-    certificate copies are offered for free.
example, ToT or ToD, is there current in the       e2Sail and Yacht Scoring.                          to moderate, moderate to strong and                                         tificate data to be reviewed and edited as needed, kept in an           Also note that test certificates are not valid for racing —
area, and can it be predicted - if not, then           Each scoring type is explained in greater      strong wind speeds raced on either flat                                     online folder.                                                      these must be issued by your local ORC Rating Office.
ToT is better than ToD.                            details in the ORC Rating Rules and on the         or rough sea states.                                                             A customized ORC Speed Guide output of polar perfor-
                                                                                                                                                          CREDIT

                                                                                                                                                                   CREDIT

    Because the ORC VPP can predict                ORC website at www.orc.org/scoring.

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2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
THERE IS NO GREATER LITMUS TEST
for a rating system than having the best sail-
                                                   The 2015 ORC
ors in the game use it at an event where there
                                                   World Champion-
is a mix of inshore and offshore racing to de-     ship in Barcelona
termine an overall winner among their peers.       hosted teams for
The system has to hold up to the intense pres-     a week of inshore
sure brought to it by highly competitive and       and offshore racing
                                                   along the scenic
resourceful sailors who will want to exploit any
                                                   Costa Brava. The
flaw in their quest for victory.                   fleet was divided
   This happens every year at the ORC World        into three classes,
Championship, a week-long event sanctioned         with 23 teams in
by World Sailing that changes in location year-    Class A, 38 in Class
                                                   B and 35 in Class C.
ly yet still manages to attract well over 100
                                                   The majority of the
teams from dozens of countries to compete          fleet were produc-
for the right to be crowned as a World Cham-       tion racer/cruisers.
pion in each of three classes. ORC also has a      The custom race
policy to recognize the top all-amateur teams      boats populated
                                                   Class A. Crews were
with Corinthian division prizes as well.
                                                   from 22 countries,
   “The ORC Worlds are considered the pin-         including from as far
nacle of big-boat competition for many rac-        away as the USA,
ers,” says Wolfgang Schaefer, who has been         Ecuador, Brazil and
in several roles over the years as a sailor, re-
gatta organizer and lately a Vice President of
ORC who still competes regularly on his red

                                                   WORLDS TOGETHER
Farr 40 Struntje Light. “Because these are
open events, they bring a tremendous variety
of both people and boat types, from the most
amateur teams racing their cruiser/racers to
the most professional teams racing custom
carbon boats. I think the Worlds regattas have
become very attractive and popular because
of this, which has made the competition both
very high in quality, yet also very accessible
even for the club-based teams.”
   Another important factor for the success
                                                   Peru, with about
of the ORC Worlds events is the long history       half being com-
ORC has had in setting suitable standards for      posed of all-Group
regatta organizers to host an event that will      1 (amateur) sailors.
be fair, fun and competitive at the same time.     In a competitive
                                                   series characterized
ORC’s championship rules and standards
                                                   by light to moder-
are contained within the pages of the Green        ate conditions,
Book, so-called for its long 40-year history of    the Class A World
being published with a green cover and used        Champion by 1 point
regularly as an important reference tool for re-   was Alberto Rossi’s
                                                   TP52 Enfant Terrible,
gatta structures and standards. Like all ORC
                                                   the Class B World
rules, the Green Book is updated yearly with       Champion was Pe-
input from sailors and organizers to reflect the   dro Campos’s Club
most current trends in how offshore sailors        Swan 42 Movistar,
want to race.                                      and the Class C
                                                   World Champion
   For example, even though most big boat
                                                   was Guiseppe Giuf-
racing has reverted to being held on wind-         fre’s Italia 9.98 Low
ward-leeward courses in the last few decades,      Noise II.
the Green Book requires organizers to have
some minimal number of offshore races of
prescribed length to test their offshore skills
as well. In some race areas this is preferred
                                                                                                         CREDIT

                                                                                                                  CREDIT

to be two short offshore races, whereas in

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2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
“The Green Book helps define our standards to really
help organizers and race committees know how to
plan a world-class regatta.”
others one long overnight race will suffice.          on the docks are all superb, well worth it for       which in turn affect the results – and when
These rules also specify numerous other de-           me to come here and race. Even though we             races in ORC championship events are rou-
tails, such as scoring, class splits, protocols for   are racing under handicaps, the level is still       tinely won and lost by only seconds in cor-
measurement controls, etc.                            very high and if you make one slip it shows in       rected time, this amplifies the need for strong
    “The Green Book helps define our stan-            your results. In this way I think ORC is a very      measurement control.
dards to really help organizers and race              fair system because it does reward those who            The other important element is race man-
committees know how to plan a world-class             do well on the water and not just those who          agement and proper use of the scoring tools
regatta,” says Paolo Massarini, the Offshore          have the right boat type.”                           ORC uses to calculate results. For the inshore
Classes and Events Chairman at ORC. Mas-                 Holdsworth has a technical background             races at ORC championship-level regattas,

                                                                                                                                                                                                    Planting the Seed
sarini is a well-honed veteran of years of in-        and so he appreciates how the system rates           Performance Curve Scoring is used - this is
ternational offshore racing but also has many         almost all features of the boat, its sails and       complex but accurate system that uses the
years experience in organizing classes, events        crew to create a fair rating.                        full power of the ORC VPP to evaluate how
and race projects ranging from the Admirals              “From an engineer’s perspective, this VPP         a boat performs relative to its rated potential.

                                                                                                                                                                                     F
Cup to the America’s Cup, and from the GP42           approach makes perfect sense since it takes             At the Worlds this system is producing in-
to the Wally and ORC Superyacht classes.              into account multiple features of the boat,” he      credibly close results, commensurate with the
“When the standards are clear, then the sailors       says. “The rule seems very fair and the system       ability levels of the crews and how they sail                                                     rom its vantage point      get a better understanding of how it works        offer it again in Key West in 2017. “It’s a good
can also know what to anticipate in coming to         seems to work well. When we took delivery of         the course irrespective of their boat type. The                                                   overlooking Rhode          and what resources are needed. “We wanted         solution for the type of program that wants
an ORC championship regatta. Even though              our boat in Kiel, we had just a short time to        proof of this is that its not uncommon in ORC                                                     Island’s Newport Harbor,   to be very transparent with the fact that we      to go to Key West and race under a proper
the regatta may be held in Finland, in Italy, or      get it measured, set it up to the tuning guide,      championships to have full-race boats to be                                                       the New York YC enjoys     are looking hard at it,” says Lotz, “and that     handicap rule,” says Neville. “The competitors
even Korea, the Green Book rules makes their          do some practicing, then go racing. When we          sharing the podium with production racer/                                                         a sweeping perspec-        we’re doing the groundwork and investigating      [in 2016] were very receptive to it and it has
planning and participation much easier, which         sailed well we got good results, which was           cruisers.                                                                                         tive over the landscape    it properly.”                                     potential to grow in the states. As with any
I think helps contribute to the popularity of         gratifying for us.”                                     What is the downside of ORC champion-                                                          of modern yachting.            Storm Trysail Club’s offering ORC for its     rule to gain traction it’s a major effort to clubs
ORC events.”                                             One important feature of ORC champi-              ship events? Their popularity.                                            Moored in the panorama are one-designs,            2016 Quantum Key West Race Week was               around the country to try it.”
    One US-based sailor who has experienced           onships is the rigor of measurement control             Holdsworth said when there are 30-40                                   custom race boats, classics, and performance       much more of a leap of faith, but STC’s Rich-          For the past two years Jay Tyson of the
this first-hand is Andrew Holdsworth from             necessary to ensure fair racing. All boats must      boats on the start line, its critical to find a lane,                     cruisers. The challenge before the club’s          ard Neville says it was necessary in order to     Chesapeake Cruiser-Racer Association has
San Francisco. He took delivery of his Danish-        have fully-measured ORC International certifi-       hold it, and get to the favored side if there is                          handicap racing and rules committee today,         continue to attract non-one-design competi-       been looking for solutions to help get fair
built XP-38 Extreme Ways just prior to the            cates, they must pass equipment and safety           one...not unlike any other big-fleet experience.                          of course, is how best to accommodate them         tors to the iconic wintertime regatta they took   handicaps for a growing group of cruisers
ORC World Championship in Kiel, Germany               inspections prior to racing, and at any time         “In Barcelona because the bigger boats could                              all, to the satisfaction of the owners and their   over in 2015. With PHRF entrants dwindling        on the Chesapeake Bay whose local PHRF
in July 2014 and competed in this event that          during racing they could be called in by the         have just enough edge to bounce us away                                   crews. Experimenting for its marquee sum-          over the years, the club adopted ORC Club         ratings were not adequately reflecting the
featured a record 150 entries from 19 coun-           measurement control team and re-measured             from the favored side, and we’d have to strug-                            mer event, New York YC Race Week Pre-              as a viable, low-cost PHRF alternative for        unique features common to these boat types.
tries. He and his team did pretty well for their      to ensure compliance with their certificate.         gle in the traffic. In Kiel the sides were not so                         sented by Rolex, the club has implemented a        competitors. The introduction to the U.S.         The style of racing these boats do is point-to-
first time at the Worlds, finishing 9th in Class      This includes not only the boat and the sails,       favored, and by playing a few shifts you could                            summer of exploration using ORC Club for its       racing audience was less-than-perfect, he         point races with a greater emphasis on fun
B populated by 29 mostly similar 40-45 foot           but the crew too, whose weight total can be          get back in the game more easily. So crowd                                Navigators Racing class, replacing PHRF.           admits, with administrative scoring errors and    than on performance, but the results using
production racer/cruisers.                            declared at any value but is calculated into the     control is important.”                                                         “We did an internal study and looked at all   unexpected outliers in the fleet causing con-     the local handicaps were not satisfying.
    And in 2015 he was in Barcelona for the           rating.                                                 And big crowds can also present other race                             the current rating protocols, which gave us        sternation. It was, however, a simpler alterna-        “Bow thrusters, in-mast furling gear, and
World Championship, where he won the Tro-                “This system was developed over many              management issues, such as recalls, course                                the incentive to want to know more of ORC          tive to the event’s consortium concept, which     other features common to these boat types
feo de Godo tune-up regatta but slipped a             years of pressure from the high-level regattas,      changes, etc. But ORC and their partner clubs                             anyway,” says NYYC’s Phil Lotz. “We wanted         was created to better manage PHRF ratings         were just not being treated fairly,” says Tyson,
little deeper into the pack in a highly-compet-       like the Admiral’s Cup and Sardinia Cup, when        at the Worlds have the top professional race                              to explore more about VPP-based rules that         of boats traveling in from outside region.        “so we came upon ORC as providing some
itive Class B in the main event, finishing 11th       there was much more deliberate bending of            managers, as well as multiple course areas, to                            could do time on distance. We decided to               “Noting was working in South Florida          solutions we could use that got us results
in a class of 38 entries, only one point away         the rules,” said ORC Chief Measurer Nicola           create playing fields t hat a re a s f air a s p os-                      use the summer this year to at least do due        and the regatta’s PHRF numbers were               which were much closer to reality, especially
from the top ten. Holdsworth is in preparation        Sironi. “There can be many reasons a boat can        sible.                                                                    diligence with ORC and experimenting with it       dropping,” says Neville. “The only alterna-       in light air for these heavy boats.”
for the European Championship in Porto Car-           be out of trim, from the occasional random er-          With 131 entries in 2016 at the ORC                                    on the racecourse.”                                tive we saw was ORC Club, which is priced              Tyson worked hard to get the members of
ras, Greece, and shares his views on ORC re-          ror to the deliberate oversight, so we want the      Worlds in Copenhagen, and 116 in Trieste                                       To implement it they asked all Race           the same as a PHRF certificate and has a          the CRCA fleet to apply online for their ORC
gattas and how they compare with what he’s            penalties to be fair and proportional. If there is   in 2017 and 150 anticipated in 2018 in the                                Week PHRF entrants to obtain OCR Club              database to back it up. We gave it a try and      Club certificates, and using these and other
experienced in the US.                                an honest error, we want to first clear it up and    Netherlands, this may be a common feature                                 certificates and IRC entrants to get ORCi          it went reasonably well.”                         sistership data taken from the Sailor Services
    “These events are really fantastic,” said         keep the boat sailing.”                              to ORC Worlds racing for some years to                                    certificates (and discounting entry fees to            Like the New York YC, Storm Trysail           website he dual-scored races using PHRF
Holdsworth. “The level of organization, the              The accuracy of these measurements di-                                                                                      accommodate the added cost to owners).             identifies a need to improve the American         and ORC Club ratings. His analysis indicated
                                                                                                           come. And stand by US sailors: the Worlds
                                                                                                                                                                   CREDIT

                                                                                                                                                                            CREDIT

competition, the ambience on the water and            rectly relate to the accuracy in the ratings,                                                                                  They will “shadow score” the fleet in order to     handicap racing landscape, and will therefore     use of Performance Line scoring produced
                                                                                                           may be coming to the USA in 2020.
        14                                                                                                                           O R C Gu i d e b O O k 2019                     O R C Gu i d e b O O k 2019                                                                                                                15
2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
ORC CERTIFICATES
                                                                                                                                                                                                                                                 Valid ORC Club certificates issued by
                                                                                                                                                                                                                                                 rating offices and also test certificates
                                                                                                                                                                                                                                                 issued in the online Sailor Services
                                                                                                                                                                                                                                                 system have a second page appendix
                                                                                                                                                                                                                                                 that summarizes the rated speeds of the

YOUR PASSPORT TO RACE
                                                                                                                                                                                                                                                 boat's performance over the range of 6 -
                                                                                                                                                                                                                                                 20 knots and at various wind wind angles.
                                                                                                                                                                                                                                                 This is expressed in both seconds/mile
                                                                                                                                                                                                                                                 and in knots of boat speed. Scoring for
                                                                                                                                                                                                                                                 selected course types is also listed as a

  O
                                                                                                                                                                                                                                                 function of wind speed. ORCi certificates
                                                                                                                                                                                                                                                 are published as 3 pages and have this
                                                                                                                                                                                                                                                 information on the first page.
                            RC certificates
                            are summaries                                                                                                                                                                                                        • Roller-furled mainsail and/or jib graphic
                            of the measure-                                                                                                                                                                                                      shown
                            ment and rat-                                                                                                                                                                                                        • Sail number and name of the boat on
                            ing details, and                                                                                                                                                                                                     the graphic
                            come in two                                                                                                                                                                                                              Rating office: L ogo o f t he O RC r ating
                            forms:     ORC                                                                                                                                                                                                       office a uthority t hat i ssued t he c ertificate.
Club and ORC International. The differ-                                                                                                                                                                                                          If a test certificate, this has the ORC logo
ence between the two is in the level of                                                                                                                                                           2019                                           with the words “Invalid for racing” noted
                                                                                                                                                                                              ORC Club
detail provided to the rating office: if the                                                                                                                                                  Certificate                                        in red. For some countries without a rat-
boat is fully-measured, then an ORCi                                                                                                                                                          Rating Office
                                                                                                                                                                                                US Sailing
                                                                                                                                                                                                                                                 ing office,certificates can be issued by the
certificate may be issued. But if there are                                                                                                                                                   15 Maritime Dr
                                                                                                                                                                                              Portsmouth, RI                                     ORC central office.
some measurements missing so that de-                                                                                                                                                                                                                Crew weight: A default crew weight is
fault values are used, then a Club certifi-                                                                                                                                                                                                      calculated and listed here, but if preferred
cate is generated.                                                                                                                                                                                                                               a declared crew weight can be made to
   The illustration shows an example of a                                                                                                                                                                                                        more accurately rate the boat. There are
Club certificate, which is on a single page                                                                                                                                                                                                      no limits to the number of crew on board
with an optional second page, and can be                                                                                                                                              Certificate
                                                                                                                                                                                          Number      US6013
                                                                                                                                                                                                                                                 so long as the crew weight limit is not ex-
                                                                                                                                                                                       Issued On      6/2/2017
translated into any language. This page                                                                                                                                                 ORC Ref
                                                                                                                                                                                        VPP Ver.
                                                                                                                                                                                                      USA00000184
                                                                                                                                                                                                      2017 1.01
                                                                                                                                                                                                                                                 ceeded while racing.
contains all the rig and sail measurements                                                                                                                                              Valid until

                                                                                                                                                                                      Cre w We ight
                                                                                                                                                                                                      2/28/2018
                                                                                                                                                                                                                                                     Certificate: T h is l i sts O R C r e ference
available, accompanied by a proportional                                                                                                                                                        Declared 1,080kg
                                                                                                                                                                                                Def ault* 1,565kg                                numbers and what version VPP is used.
                                                                                                                                                                                          Non Manual Pwr      Yes
scaled boat drawing. Other measurement                       BOAT
                                                               Name Bounty
                                                                                                             GPH          HULL
                                                                                                                                Data File USA61266a.dxt           LOA 20.120m         Spe cial Scoring                                           Because the VPP is improved each year,
details and scoring options are listed in                      Sail Nr USA 61266                                504.0         Of f set File SWAN66-
                                                                                                                            Displacement 32,650kg
                                                                                                                                                                   MB 5.388m
                                                                                                                                                                 Draf t 2.746m
                                                                                                                                                                                                       ToD    ToT
                                                                                                                                                                                      Non Spin GPH 534.0 1.1236                                  ORC certificates are valid only for the year tas based on a boat’s upwind speed and                of the hull and appendages in measure-
                                                                                                                           IMS Div ision Cruiser/Racer       Dy namic All. 0.301%     Non Spin OSN 520.4 1.1530

boxes on the page.                                           CLASS
                                                                             Class    Swan 66
                                                                                                                           Fwd Accom. Yes
                                                                                                                          Fiber Rigging
                                                                                                                                                              Construction Cored
                                                                                                                                                              Aramid Core
                                                                                                                                                                                      N/S Perf . Line -30.7 0.658
                                                                                                                                                                                                                                                 shown on the certificate.                          length.                                         ment trim. The IMS division is shown (Per-
                                                                         Designer     Frers                               Crew Arm Ex                      Carbon Rudder
   On ORCi certificates the scaled draw-                                    Builder
                                                                            Series
                                                                                      Nautor Swan
                                                                                      10/2007                             IMSL      18.105m VCGD
                                                                                                                                                          Light Stanchions
                                                                                                                                                        0.000m Sink 59.74kg/mm
                                                                                                                                                                                      Sails Lim itations                                             Special Scoring: Non-spinnaker GPH,               Stability: The Limit of Positive Stability   formance or Cruiser/Racer) depending
                                                                                                                                                                                      Headsails 7 Spinnakers 4
ing is on the third page, with the first
                                                                        Age Date
                                                                    Age Allowance
                                                                                      01/2009
                                                                                      0.292%
                                                                                                                             RL
                                                                                                                          LSM0
                                                                                                                                    13.510m VCGM       -0.048m WS
                                                                                                                                      17.784m Displacement/Length ratio
                                                                                                                                                                            79.18m²
                                                                                                                                                                             5.8049
                                                                                                                                                                                       Spinnaker configuration
                                                                                                                                                                                                                                                 Non-spinnaker Offshore Single Number, (LPS) as measured or estimated is shown                      on interior accommodations of series-built
                                                                                                                           Water Ballast       0 Trim Tab
page being detailed rating data and the                      COM M ENTS                                                                                                                Sy mmetric: No
                                                                                                                                                                                      Asy mmetric: Yes   287.29                                  and Non-spinnaker performance line scor- along with the Stability Index and the Cat-               production boats. Dynamic Allowance is
                                                                                                                                                                                       Fly ing H/S: No
second page the detailed measurement                                                                                                                                                    Spin. Pole: No
                                                                                                                                                                                      Clas s Divis ion Le ngth
                                                                                                                                                                                                                                                 ing options are shown in Time-on-Time egory of the Offshore Special Regulations                    shown to characterize behavior in heavy
                                                             PROPELLER                                                    CENTERBOARD
data on the boat, sails, rig, and stability.                  Installation Shaft exposed
                                                                     Ty pe Feathering 3 blades
                                                                                                       PRD   0.635
                                                                                                       PIPA 0.0053                                   N/A
                                                                                                                                                                                             CDL = 15.809                                        and Time-on-Distance formats. When that the boat is eligible to race.                              seas or tacking, and details of materials
                                                                                                                                                                                      Stability
   There is an optional second page to                                                                                                                                                     LPS (Estimated): 120.0°                               made active by the Rating office, this field          Scoring options: This summarizes             used in the construction of the boat and its
                                                             SCORING OPTIONS                                                                                                                Stability Index: 135.0

ORC Club certificates which shows time                                                                                                                                                      OSR Category :     N/A
                                                                                                                                                                                                                                                 may contain the boat’s Doublehanded rat- the ratings for the boat using different                  equipment (see IMS rules for more details).
                                                                                              COASTAL / LONG DISTANCE                   WINDWARD / LEEWARD                            Ow ne r
allowances expressed in seconds/mile                         Time On Distance                                489.9                                   556.2
                                                                                                                                                                                                                                                 ings assuming a total crew weight of 170 scoring options. Simple options include                   IMS Length, the Sink rate, Wetted Surface,
for different wind conditions in the range                   Time On Time                                   1.2247                                  1.2137                                                                                       kg.                                                Time on Distance (ToD) and Time on              and Rated Length are also shown.
of 6 to 20 knots of true wind speed for an                                                          PLT               PLD                   PLT                   PLD                                                                                Sail Limitations: The maximum number Time (ToT) single numbers for Offshore                       Class: This summarizes the type of boat,
                                                             Performance Line                       0.759               0.8               0.920                  143.5
optimum beat, and for over 52, 60, 75,                                                           Low        Medium       High           Low         Medium           High             I c ertify that I unders tand my
                                                                                                                                                                                      res pons ibilities under ORC Rules and
                                                                                                                                                                                                                                                 of allowable headsails (including Head- and Inshore (50% windward/50% lee-                         its date of the launch of the first boat in
90, 110, 120, 135, 150 degrees of true                                                                                                                                                                                                           sails set flying) a n d s p innakers t o b e o n ward) courses, Performance Line scor-             the design series, and the age data of this
                                                                                                                                                                                      Regulations
                                                             Triple Number                    1.1287        1.5298      1.7604       0.8570         1.2030         1.4391             Signature

wind angle to the optimum run.                                                                                       © Of f shore Racing Congress 2019
                                                                                                                                 www.orc.org
                                                                                                                                                                                                                                                 board while racing are shown here.                 ing as a combination of ToT and ToD             boat’s launch. Age allowance is also show,
   For Club certificates, it’s important to                                                                                                                                                                                                          Spinnaker configuration: T h is s h ows ratings, and Triple Number ratings for                 with a maximum credit given at 15 years.
note that the accuracy of this performance                                                                                                                                                                                                       the style of spinnakers and how they are Low ( less than 9 knots), Medium (9-                         Boat: The name and sail number of the
information depends greatly on the quality                                                                                                                                                                                                       flown o n t he b oat, a long w ith t heir m axi-15 knots) and High ( greater than 15               boat as issued by the rating authority.
of the input measurement data, and gen-                                                                                                                                                                                                          mum sail areas.                                    knots) average wind strengths.                     Comments: Any comments made by
erally Club certificates are not as accurate   ments shown that match the certificate                                   resent measurements of hull offset file                                                                                      Class Division Length: CDL is the av-             Centerboard: If there is a centerboard       the Rating officer for this boat.
as on an ORCi certificate. Measurement         data. Details include:                                                   • Spar cross-section dimensions shown                                                                                    erage of the effective sailing length (IMS present, its dimensions are show here.                     Owner: On official certificates the own-
data shown on certificates may be in ei-       • Rig features, such as number of spread-                                • Mainsail, jib and spinnaker or gennaker                                                                                L) and the rated length (RL) that is calcu-           Propeller: The type of propeller and         er’s details are shown here, but left blank
ther Metric or Imperial units.                 ers, checkstay/runner pairs, shaded spar                                 dimensions and areas                                                                                                     lated from the upwind speed of the boat in its installation style and dimensions are               for copies retrieved from the Sailor Ser-
   Boat drawing: Proportional scaled           for carbon, mizzen if a split rig, etc.                                  • If a Code 0 is in the inventory, it is noted                                                                           a true wind speed of 12 knots. It is used shown here.                                              vices database.
                                                                                                                                                                                                                               CREDIT

                                                                                                                                                                                                                                        CREDIT

boat drawing with rig and sail measure-        •  Bow and stern overhang styles to rep-                                 as Headsail set flying                                                                                                   to define class divisions in ORC regat-               Hull: Details on the primary dimensions

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2 19 ORC - THE WORLD'S FASTEST GROWING RATING SYSTEM EXPLAINED HOW ORC WORKS, FROM CERTIFICATES TO SCORING - orc.org
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