Tcatman

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About Tcatman

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  1. and that is a fine position and hill to die on.... As I see the issue. These sailors who show up are your actual Grass Roots sailors...(not your definition) They are the sailors that your tuesday night beginners try to learn from. , these guys are the heart and sole of your fleet and set the culture for the standards for friendly competition. they are the sailors you count on to make a class The key word here is ROOTS..... Lots and lots of sailors will flush through a class and play a bit.... but you need individuals of all skill levels to put down roots in the class and put energy into growing it by supporting all the sailors giving it a try and showing up.. If these guys melt away to other classes or life changes and they are not replaced.... you will be looking at the rock bottom sailing scene. Keep in mind how the recreational sport world is event driven. People decide... is the single event, worth my time on this specific weekend. ... factors include camping, venue, travel, competition, participation, entertainment, family friendly, single friendly, traffic, competition etc etc.... For the vast majority of sailors... its not about the class legal ladder competition with the proper certification for a slot at the NA's or the high point championship Your grass roots sailor cares about the fun factor at a specific event and if they get to 5 such events in a season.... they declare victory in a good season and look forward to next year. When your class rules get in the way of the fun factor for those grass roots sailors who spend time and money on your weekend event and it doesn't meet expectations.... You are screwed. Again..... history form the beach cat world.. US Sailing used to run Area Qualifier championships for their US Sailing national championships. US Sailing could never understand why participation was always so so. When you ran an event that offered a top PRO and racing.... You were pulling teeth to convince the top sailors in the various one design cat classes to compete.... turnout 5 to 10 boats... When I put the effort into making it an event at a great club, with good social stuff.... I could get the numbers up to 30 -35 boats. My advice.... be crystal clear about rules that create hills to die on.... Screw the stickers..... the grass roots sailor wants the event to exist more or less the same NEXT YEAR.... Everybody else might never return. I also say.... "well we don't expect it to be an issue" is weak sauce... It doesn't drive interest by the casual competitor in participating. (does no sticker means you are cheating????? BAR CODE ??? well screw that) For a week long national championship.... absolutely.... otherwise.... It looks more like a hill to die on.
  2. ..... oh boy!.... check out the history of the North American Hobie class association.... For a several year period of time they had clubs which hosted other classes or a handicap class. With declining participation across the board and a tradition of running our own events... this was a survival strategy for small independent clubs in the US.. The international class demanded the practice stop. They argued that they should promote their boats and this was an essential zero sum game. Concurrently, regatta liability insurance became a HUGE factor for independent clubs because budget crunches made public parks insisting on being named insured for events. The costs were prohibitive. What happened.... regions voted with their feet and some regions said screw you and others complied. The Hobie class association saw their independent fleets become unincorporated and this allowed the NA HCA to be the OA for all local events run by these fleets who were just members of the national class association. They covered the insurance nut for the events the combined national classes ran. The level of cat racing spiraled downward. There was no measurable conversion of non hobie cat racers to hobie classes. Cat clubs got starts at local yacht clubs also looking for participation.. Hobie classes got starts at local yacht clubs .Bottom line. as for most of the racing world. participation continued declining. Yacht clubs don't care about this crap....They will run just so many starts on a race circle and they want participation. Do you have the numbers to get a start. Who wants to sit around and wait for a 20 minute starting sequence?? If the dominant fleet wants to include the other guys... fine... if not... meh.. Lots of sailors will flush though the class and most won't care. IMO the fun factor increases with fleet size.... why you would split in two for these issues? YMMV. Hobie changed the policy after a few years and now sanction some events run by Yacht clubs for their points regattas. IMO.... the impact was about the same with lower participation. ... so have at. the almost certain future is lower participation and lower fun factor.
  3. Tcatman

    US Portsmouth Yardstick Change?

    Well done I agree with all of your advice!!! However, some people want the fairy tale. They want the precision of scoring one design racing in the handicap world. Its not possible... nevertheless.. ..... they don't want to hear about tentative ratings... and to get what they want ... accuracy and precision.... they want wind adjustments, and crew adjustments, etc to be available for their calculator and sanctioned by USPN and they WANT the stamp of approval of USPN or the RYA on the rating of their flavor of a "one design class as modified by xxx". published as well.... NOT the rating generated by the handicap committee of backwater yacht club for the tuesday night series. So these are people problems not math or sampling problems! The RYA has a workable solution as does your Aussi Federation.... the USA had a failed system for 10 years and they are finally evolving. The reality in the states is that actual fleets racing handicap in the states is quite low and some may want a measurement alternative for dinghies.. Well, that is a judgement about what you value..... I don't know if its worth it to dinghy sailors History tho, shows that cat sailors have a much greater interest in building a better mouse trap from their class boats. A measurement system has always been part of the multihull handicap racing scene to manage what we do. (We have A Class, B Class (Tornado like) and C class IYRU/ISAF measurement rule classes) So, the Dutch, French and Brit cat sailors have climbed that mountain over many years because you can't do statistics on ONE OF A KIND boats. SCHRS and TEXEL continue to evaluate and validate their measurement based model with annual review and periodic updates of the system (SCHRS/Texel joint working groups). So, like the RYA PN, system the math and process is public and transparent. It is sanctioned by ISAF so it has the authority of world sailing and just like yourself with the Vic system,.... sailors happily use it. The single number system is deemed "Good Enough" IMO, a huge advantage of the SCHRS system is that it puts responsibility on the owner ... race a class legal hobie 16 in handicap and you look the rating up on the SCHRS table and use it (QED and YOUR responsibility to report YOUR rating.... NOT the OAs to look it up on the table). Change something and you make a measurement, run the calculation or get a certified measurement ... run the numbers Whatever the standard... you get a rating. ...(not a provisional rating) . Nobody in the national office or the yacht clubs OA has to make a ratings judgment. check the certificate exists, passes what ever standards required for the event and its the owners responsibility to race fairly. The transparency and predictability of a measurement rule is very important when people are won't to fiddle with their boat) (Nobody gives a fig about a race you competed in last week that was re-scored using the "updated" aka better ratings by the club or the national authority and suddenly you gain or lose a podium spot.) I was a scorekeeper/sailor back in the day when the USA used the NAMSA tables which was a hybrid of measurement rule and portsmouth like statistics calculated and produced by Herb Malm. You don't want to be the scorekeeper (or Herb) when the ratings changed during a season for a new one design.... So.... if dinghy sailors don't fiddle with their one designs and don't need a degree of finality on ratings.... you are probably right that it is not worth the effort. My Hope is the USA simply takes the RYA class ratings for all of the classes listed in the RYA tables maintaining all of the RYA table. For US specific multihull one design class's with fleets (Sharks and Isotopes two Wave classes) they use the SCHRS to RYA converter that these two organizations have already worked out. For USA dead boat classes (no active fleets) and one offs.... they use the SCHRS to RYA converter. (Heck they could use the Vic ratings convertor for the Taipan 4.9 ratings if they want) The unique USA dinghy problem is going to require real judgement and contribution from US Sailors who actually know what some of the listed classes actually are in the region and how they currently race (my example that has bitten me is a Chesapeake Dinghy is NOT a Chesapeake 20 dinghy that some scorekeeper confused once upon a time for a unique annual river race) The most important goal is get a table in January 2021 that maintains the complete integrity of the RYA process and the SCHRS process without compromise!. Then you evaluate what conversion factors you want to use for RYA to USPN dinghies. Spell out the process and make it transparent. You really really want a fair table January 2021 in order to seed the process appropriately. Once that is done, the RYA system assigns a lot of responsibility to the local scorekeeper/handicapper and that is a great way to manage the precision/ accuracy of a statistical system for the quirks and sailing conditions. Multi's will choose to race handicap on SCHRS for all of the advantages I listed (universality, transparency, authority, responsibility, simplicity, practicality, and most importantly accuracy!!!)
  4. Tcatman

    US Portsmouth Yardstick Change?

    umm fix the boat?? no matter... THIS is now moot. The US system tried to use (first place boat) race results to create a handicap table of peak performance. The upcoming RYA based system measures the top 1/3 of the fleets performance (no matter the deck layout). Both can be valid systems.... but they differ.... Note to US sailors.... If you don't have a fleet of the same class.... you are not going to get current ratings. NEITHER system is designed for modified class boats or One off designs. How do you measure fleet statistics with an n of 1 or 2 on the race course.? What you want is a measurement based system which beach catamarans now use... the ISAF supported SCHRS. Works well for us. but I don't know of a dinghy measurement rating system.
  5. Tcatman

    US Portsmouth Yardstick Change?

    So, US Sailing has retired the Dixie Fortran based PN engine (Thank God) and is taking on the complete RYA program and engine. They anticipate publishing the first year long table in Jan 2021. Your club must be a US Sailing member club to submit returns and get access to the rya calculator. Basically a single number system. No windspeed adjustments and No boat modification adjustment calculations, no missing crew modifications. The largest portsmouth race I have seen in 25 years is coming next week end and is unrelated to the aforementioned.. a short distance race in Annapolis for 2 handed Phrf Phrf non spin and Portsmouth. https://yachtscoring.com/event_scratch_sheet.cfm?eID=13047 How you handicap a Laser radial, an A cat, a Wasp, assorted other dinghys, 80+ year old cat boats and a Bennetau First 18 (Benneteau is making 18 footers these days???) a long with a Catalina 27, and a Hood 32.... Sure... this will work. Ok now.
  6. Tcatman

    US Portsmouth Yardstick Change?

    So, when you toss in the optional club fiddle factor.... Why would you not call this PHRF for dinghies? I like the term for dinghies. Stop pretending that you can get a reasonable rating with crap data. The RYA manages this by holding the line on fleet status. The USA should do the same thing... Hold the line on fleet status.... if you are not currently racing one design (or 3 of the same class in a handicap race) your rating is PHRF'd or frozen at the last fleet generated rating. The only alternative is do make a measurement based dinghy rating system the basis of the entire rating scheme. (I forget why over the last 50 years (microcomputer era) that nobody has made a serious effort at a dinghy measurement rating system... of course the obvious answer is... many have tried and all have failed)
  7. Tcatman

    US Portsmouth Yardstick Change?

    Someday you are going to have to explain this (I am guessing a race for available water but who knows about you guys)... but the point is taken. I think this is an excellent policy. It makes the table useful for clubs to look up a rating as opposed to finding the guy who will define a club rating for the night or weekend.. Second point.. the brackets indicate the status of the process and sailors can make use of the information as you suggest. Third point.... the entire debate is about the integrity of the rating process and you would like sailors to also see this process as transparent. Bracketing classes for which a weak statistical basis exists accurately reflects the VYC process. The USPN should update the rules and bracket all of the entries that do not meet the "active flee"t standard. Metrics could include hosting a championship one design event with XX boats on the line as evidence and lots of other proof of a current racing fleet. Moreover, they could flag classes that have never met fleet standards and the rating is not solely determined by race results. The existing USPN rule will remove the brackets after 5 race data points..... IMO that is a low bar. Final point; just because a rating is bracketed or flagged does not mean that it is inaccurate.... just don't wrap yourself around the axle over the result. The issue of one off or not fleet qualifying boats will remain and a clear policy no matter what they do with the RYA will be needed. Silence just serves to piss off guys like shuffle.
  8. Tcatman

    US Portsmouth Yardstick Change?

    So, You and the clubs running events want a rating that has been stamped by some good house keeping authority. The club interest is that whatever rating is listed for your boat is not UNFAIR to their rank and file members and you of course want a fair rating that lets you race your boat. The current USPN committee can't help you. Here is the problem. Portsmouth yardsticks are based on fleets that can generate data sets. So... step one Is there a fleet of Shaw's racing OD or PN anywhere in the country? The minimum definition of a fleet used to be 3 boats. Next question would be.... are they racing against other similar fleets of boats .... one of which is a secondary yardstick? If these two conditions were met.... you would get a bracketed entry in the published table for provisional seeded by the info and rating from the builder. So your class met the criterion of actively class racing, and race ready condition, helmed by competent crews. And you have a bracketed rating. Clubs could deny you trophies based on bracketed ratings. The US Alter cup qualifiers were portsmouth handicap and bracketed or modified boats were excluded from the regatta. Back to your Shaw Situation... Fail any one of these criterion and you should not get a rating in the table of any rigor. Now, the reality, back in the day, Darline took the position that the table should be user friendly for the clubs and at least for cats she relaxed the standard for being published. In large measure for the reason you list... Clubs want to look up the table and get the rating. No review by club handicapper is needed. For example, a Bill Roberts designed and raced RC 27 is a beach cat on steroids. I think three have been built..... and they do distance races..... They have a rating. Obviously, the database of results reflects Bill's sailing as much as the boats. So... since Darline's passing, the PN leadership has been unwilling to modify the published standards. The idea being... you can't make things better by undermining the statistical engine of portsmouth. I can respect the decision AND recognize that this doesn't work for small boat sailors. Obviously, every club could take your one off Shaw rating as provisional and allow you to race but they don't see any benefit to their club members and so they don't accept your entry. The alternative is use the principles of PHRF and create a rating that fits within the existing PN table and publish it under the US Sailing authority. However, neither the PN committee or yourself (apparently) would be happy with that outcome either. The Brit solution won't work because their PN engine only works on a fleet of data which apparently doesn't exist for the Shaw. So... back to the basic problem of a statistical system that lacks data and a raft of one offs and very small classes that can't generate the data set. The catamaran world has moved on to using SCHRS which is a measurement based rating system that can manage class legal boats with a stock rating and one off or small classes that get measured. Your recent experience is probably the case.... Darline waged a PR campaign about wind speeds to mitigate some of the criticism of the handicap racing it takes some time to effect change (grin) ..... (Better fleet divisions would have been a better option but clubs do what they do)
  9. Tcatman

    US Portsmouth Yardstick Change?

    Sosoomii a very interesting idea. IME, sailors really want immediate feedback when they cross the line. How did I do?. In one design they can look at fleet ahead and behind and I have an answer. With handicap, they have a strong feeling abut their finish. So... the reward loop is pretty weak. PHRF would be better with time on time racing yet most clubs use time on distance because the owners know exactly how much time they give or save to the guy above them in the pecking order versus having to do a bit of calculation in their head. Have you thought this through from the point of view of a sailor crossing the finish line and timing the difference to his competitor? At first glance, your experience at the finish line is about the same.... You have a strong feeling that you did well and saved your time... or not. Likewise, you have a strong feeling about your overall results for that day when you walk up to the results board. As I understand your idea.... when you download the results page on your phone.... your scoring will differ based on the probabilistic handicap engine and won't be ordinal but you will have a rank position within the fleet ( eg... 3rd overall). Again, I think you might have a positive feeling about the day's results... yes you are in third... but you are really close to the guy in second based on total scoring. So you walk into day 2 racing pretty much like you would with our existing handicap system without blaming the hopeless handicap rating that essentially means.... you tell me the conditions and I tell you the finishh positions. In my view, the most important objective is to remove the rating decision from the conversation.... well worth more discussion!
  10. Tcatman

    US Portsmouth Yardstick Change?

    Pt 1.... summed to... Clubs simply don't care about running a fair handicap system.. Oh Well....If they don't value your participation... make happy feet. there is no solution to point one. Pt 2. USS will not pay to keep the system up to date... Umm....this was an all volunteer team for 30 years and it was FAILING because the conditions at the clubs don't favor ANY kind of handicap racing. No amount of money from USS will create 5 well attended handicap regattas with multiple boats in a class on the starting line over a range of conditions. Pt3. Individual clubs will not trust a single DPN number system. Per distant memory of conversation with Darline, Most dinghy clubs did not use wind speeds... Only the multi's used wind speeds and the endless correction factors of modifications to one design classes. As to adopting a local number.... well that is just local politics and the national ratings table is irrelevant no matter how it is generated. Pt4. Tradition of excluding newer boats and denying entry. hmm... Every new design that Darline got asked to handicap came with a packet of information from the builder/designer along with their recommended provisional DPN number. I doubt that a club would exclude a boat in this circumstance... they might tack on a provisional penalty to be "fair" to their local fleet or unwilling to make a decision on the spot at the registration table Saturday morning out of the blue. So..... try it the old fashinon way with a packet of material from the builder justifying a specific rating. Pt 5. Yada yada yada..... Clubs want a table... produced by the national authority.... that keeps most of the members happy. and CHANGE is never popular with most of the members... so going backwards won't happen. PHRF is all about the implementation and everyone has a story... BUT a fact of life is that PHRF did have buy in from some well financed owners racing Key West aka PHRF nationals using skilled handicapers from around the country to generate a key west rating table so they could race their boats fairly. The US PN machinery is fatally broken because the underyling assumptions that are the foundation of the statistical treatment don't exist and have not existed for almost 15 to 20 years. IE. boats that are being rated are members of active racing fleets and have suitable racing sails and boat prep. You can't collect data on my 25 year old Dart 18 and adjust a rating based on my performance. Nor can you base your new Aero XXX rating based on comparison to 25 year old sunfish on the starting line. The RYA machinery manages this assumption unlike USPN. If they don't grab the Brit data and run the uspn fortran program.... the only other option is to PHRF the new boats into the existing USPN table and be done with it. Yes... the A cat example was an extreme red herring example..... but foiling is the real table buster.... the point stands... wind adjustments are one of those... it must be right to use them.... but.... all things considered and on serious reflection... nope.
  11. Tcatman

    US Portsmouth Yardstick Change?

    Excellent big picture perspective on using a single number system. This point merits emphasis. Don't race cats versus dogs.... In multihull snob world this means... don't put boarded cats (F18s) in the same fleet as non boards (Hobie 16s) because they go non linear and handle big wind very very differently . So don't run 30 boats in one start.... Single number table: Simple.... does not require wind speed MEASUREMENT at the top mark and the committee boat. Set by the National body: ..... Authority matters.... In multihull world... Herb Malm's proprietary NAMSA system was useful but jettisoned for US Sailings good house keeping seal of approval. Multiple club divisions: ..... cats race cats, like races like This rule of thumb ALSO takes the course configuration out of the equation. A ratings table based on equal mounts of beating reaching and running (USPN) will be misused in handicapping a WL course x2 laps between spin boats and non spin boats Club vs Regional racing. I think this is important to distinguish. The expectations of a sailor who travels to a regional weekend event will be quite a bit different then the sailor's expectation at his local weekly club race. IMO, a precondition for everyone having a " fun, relatively argument free, racing" day is to make sure everyone is on the same page. (I have seen some really PO'd handicap racers who never returned because they got into a shouting match on the water about getting out of somebody's way so that xxx could race one design.)
  12. Tcatman

    US Portsmouth Yardstick Change?

    Oh come on.... you can do better.. try expanding on this point of view you wrote Why is a single number system equivalent to PHRF? PS. The idea was to manage the non linearity of the performance with more then one rating number... the break in dinghies was to approximate planing versus non planing conditions. Since all dinghy's did not plane... this was a big deal. The cats added a rating for B4 because the classic cats would fly a hull in those conditions and go non linear. It is an unworkable solution. for instance, in 2020 an A cat can fly a hull in a lot less then B4 and there is a huge skill factor involved in popping the hull and keeping the apparent wind up.in low B3 ..... So... the rating approach becomes unfair when the goal is to handicap the boat.. not the helm. The single number guys have data that show the small percentage differences in two boat design performance with windspeed is completely lost in the noise of running a standard sailboat race in actual conditions (wave, current chop etc etc). Hell... sailing a perfect beat to your number of your class but coming into weather mark lay line on port with 10 boats of other classes stacked on starboard and in your way is going to crush your rating. Bottom line... the precision needed for a handicap race does not warrant all of the issues in building and running a wind speed dependent statistical rating table. The single number system seems to be good enough for the vast majority of handicap racers in the world
  13. Tcatman

    US Portsmouth Yardstick Change?

    Single number ratings systems...... Now this is an issue that I have been on all sides of over the years.. OK... I will take the opposite point of view from you. So... just to start the debate off...... Why pray tell do we have 3 wind ratings for dinghies and 4 wind ratings for multihulls and the REST OF THE ENTIRE WORLD only use a single rating.... INCLUDING SCHRS and TEXEL for cats? (Texel tried two numbers but nobody adopted the "improvement") Here's another one, As the wind speed builds, the boat handling issues/sailing skill increases. What makes you think that the data accurately pulls this element out of the rating? For example, A fast performance boat might have to to three laps around the course rather then the standard two and so all of the boat handling in breeze issues get magnified and don't reflect the actual performance of the design. Why in the age of computers do almost all handicap rating systems use a single rating. Why are the super designers of the world not supporting a sophisticated handicap wind dependent system? What factor are they missing that requires a more complex ratings table that us small boat sailors feel so strongly about? PS... back in the day Darline never replied to data set dumps.... she was simply too busy.
  14. Tcatman

    US Portsmouth Yardstick Change?

    JimC wrote "They don't actually. It uses what gets called the exclusions algorithm" Yes and to be accurate, USPN also uses an exclusion algorithm in that if the computed dpn differs from the actual dpn by more then some %, the data is excluded from the 100 current data points used for calculating the rating. My two points are that the machinery used to measure a class performance differ in important ways and yield tables that demonstrate the two philosophies. Chocolate or Vanilla.... choose RE " integration with scoring apps comes in´╗┐. " This is a tougher issue then it sounds. The scorekeeper slave union is an idiosyncratic lot and find No reason to change the way they have been scoring the club series for the past 20 years.... The club invitational may use one of the on line registration services which may or may not calculate the results. Some may use sailwave but just because you have an elegant informatics solution does not mean that we can link the hit the button to send the results off. So, i am making an absurd cynical rant. However, I am not sure the US sailors want a functional pn system.... rather they want an authoritative table with numbers. As half assed as it may be.... I suspect that the winning move is simply to take the raw RYA data from the active fleets of modern boats needed by the US table and run it through the US fortran program and generate a USPN rating for all of the brit boats. The advantage would be that the RYA doesn't have to do much and the US committee can maintain the integrity of their system by punching the brit data in. The US committee won't have to resort to a PHRF solution or trying to pretend a linear conversion factor will work. In the real word, If a club doesn't like the new table they will just adjust for the density of water. (grin) Certainly, the USPN should have a data portal however, if the committee is rigorous in implementing the PN machinery the quality of the data they receive won't move the numbers or require yearly updating of the table.
  15. Tcatman

    US Portsmouth Yardstick Change?

    Arnold, " and rating updates thoughtful and quick. " ummm do you really want to download this weeks ratings table for the race? (multihulls have been there and done that with NAMSA) a yearly table update is just fine. A new table ready to use Jan 2021 would make sense. A conversion table is quick and dirty but I suspect it will cause problems down the road. You could be faced with adjusting an obviously flawed rating that is simply an outlier. I think the smarter move is to send the existing data set of years and years of records and have the RYA run the ratings for classes that need to be added to the rya table.. The principle of the Dixie Portsmouth table is to set a yardstick (Thistle) and then muiltiple secondary yardsticks (EG. Hobie 16 and others). The data for the JUST the First place Thistle is recorded against the first place 505 in the race. (assumed to be more or less an Olympic course ie w reachiing leg). This method is designed to collect data from the best prepared boat, best crew, best sailed race etc and the number represents the Peak performance of the class against all other classes in the yardstick. The RYA approach uses the data to handicap the FLEET of sailors racing the class. they toss the data from the first and last boats int the race and their method calculates the Fleet of thistle sailors performance rating against the fleet of 505 racers. In both instances, the ratings table is used to measure how well a specific crew did racing their boat against its rating to another specific crew racing their different class boat to its rating. The winner is the crew that sailed their boat closest to its rating in today's conditions.. Somebody is going to have to look at the math underlying both calculations and make a strong recommendation as to conversions. US sailors are going to have to play close attention to the definition of the word FLEET. a single instance of a Chesapeake 20 i(Unique to waters of the Chesapeake Bay NA in a point to point distance race might not generate a standard rating. using the RYA engine. (Note that in this example a Chesapeake Dinghy that does exist in the US ratings table is not the same as a Chesapeake 20 which does not exist but actually races to this day) My Point is that the RYA drops class from the current updating ratings table when the Fleet standard is not met. It seems that USA sailors want the authority of a ratings number published in the PN table for their one off boat design and stamped by US Sailing. If your only goal is to add additional classes to the US ratings table ... simple interpolations of the rya ratings will give you a number. However, this won't mean the US Portsmouth table is operating properly or using the RYA engine. I would think the first move would be to decide which US Classes meet the rya standard and the data used to generate a rating. ( I suspect this is a small number of unique US classes) The next move would be to figure out what to do with the dead boats and one offs that don't make fleet status. They also need a rating and a quick and dirty conversion will be the only option. The last decision will be... what do you do about the demand for an appeal on the rating for one of these dead boats with a vocal fan base who feels screwed... Or the active fleets having to manage an outlier class with a favorable interpolated rating.... (noting that it may never have been accurate in the first place) Obviously any club or RSA in the USA could have conducted their handicap racing using the RYA table now. Hopefully the impramatuer of US Sailing Authority will ease the acceptance of sailors/RSAs and clubs. If history is any guide... the US Sailing authority has been essential in getting an entire community of RSAs, clubs and sailors moving from one system to the next (See catamaran sailors leaving NAMSA run by Herb Malm for US Sailing PN run by Darline Hobock). The Authority of US Sailoing was the critical factor in driving change. So great move to use the RYA system..... just don't bend the rules to accommodate US Sailors with dead boats and One off designs who want the validation of a ratings number in the PN table.