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Home / Sailing / Racing / Handicaps for the 2019 Season

Handicaps for the 2019 Season

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The Table below shows the Portsmouth Yardstick Numbers (PYNs) your Sailing Team has decided to use at the start of the 2019 racing season.

Setting handicaps for racing between different designs is not easy and we have followed the best practice recommended to clubs by RYA. This means we start by looking at the RYA's published list of PYNs noting they are based on results submitted from clubs across the country, including many whose conditions are dissimilar to those in Chichester Harbour and do not cover all our classes. As recommended by the RYA, we have therefore adjusted these published national PYNs to take account of local conditions and looked elsewhere for classes not included. We do this using the RYA's own tool to evaluate the data returned from 7 Chichester Harbour Clubs over the past 9 seasons and also checking to see if there have been significant shifts when looking at just the last 3 seasons. In addition we have taken into account the "WWSC data only" results where these appear to show a class of boat is performing differently in our racing to those reported at other clubs.

In the Table below we first show the PYN used for each class in the 3 previous seasons' racing at WWSC. Then there are 2 columns which show PYNs computed from the Chichester Harbour and WWSC-only results from between 2016 and 2018. The next 2 columns show the RYA national PYN both for 2018 and 2019. Finally we give the Committee's agreed WWSC PYNs for use in 2019 (in Green) with a brief comment on its basis. Where the computed PYN from local data is based on only very few results (and often just 1 boat), we have placed more weight on the national data.

The Committee intends to review the racing results for the first half of the season and make changes to PY numbers, if warranted, prior to the start of Regatta Week, which will then be valid for the rest of the season.

This year we will again experiment with applying "personal handicaps" if only to add an additional element of interest to our Racing Series. (Personal handicaps are based on the results achieved by a particular helm + boat combination in previous WWSC races.) They will not replace the normal Class-based PYNs but will be used in parallel with them and reveal how a boat's performance changes from race to race.

Class WWSC previous seasons 2016-2018 data RYA  WWSC
2016 2017 2018 WWSC Chichester harbour 2018 2019 2019 Comment
2000 1081 1089 1085 1072 1100 1109 1112 1085 Midway between WW & Chi (2016-18 data) values.
4000     917   920 917 917 917 RYA value given low confidence factor of other data.
420 1105 1110 1111 1107 1088 1111 1111 1105 Move towards harbour value
Bembridge Scow 1512 1521 1526 1562   none none 1526  
Chichester Scow 1456 1455 1466 1423 1390 none none 1466  
Contender     969 984 962 969 969 969 RYA value given low confidence factor of other data.
Cornish Coble 1388 1387 1388 1396   none none 1395 Effectively a WWSC handicap (no other data available).
Devon Yawl 1162 1192 1180 1178 1203 none none 1189 Midway between WW & Chi (2016-18 data) values.
Flying Dutchman 879 879 879 861   879 879 879 Stick with historic given low confidence factor of other data.
Gull 1303 1363 1363 1380 1355 1363 1363 1363 Stick with historic given low confidence factor of other data.
Laser 1095 1097 1098 1105 1104 1098 1099 1099 Consistent with RYA increase.
Laser 4.7 1195 1208 1208 1216 1203 1207 1207 1210 Midway between WW & Chi (2016-18 data) values.
Laser Radial 1136 1126 1130 1130 1144 1142 1145 1137 Midway between WW & Chi (2016-18 data) values.
Lightning 368 1164 1165 1165 1158 1157 1170 1167 1162 Consistent with RYA fall.
Lymington River Scow 1444 1450 1443 1429   none none 1443 Effectively a WWSC handicap (no other data available).
RS Feva (training rig)     1266 1282   none none 1270 Effectively a WWSC handicap (no other data available).
RS 600     916   935 916 916 916 RYA value given low confidence factor of local data.
Solo 1140 1144 1151   1148 1143 1143 1148 Chi data value.
Solution     1087   1107 1087 1089 1089 RYA value given lack of other data.
Supernova 1075 1080 1078 1081 1089 1075 1077 1080 Consistent with RYA increase.
Supernova Lite 1146 1146 1156 1187 1187 none none 1160 Effectively a WWSC handicap (no other data available).
Topper 1341 1341 1334 1361 1339 1358 1363 1350 Midway between WW & Chi (2016-18 data) values.
Topper 4.2     1416   1385 none none 1430 Effectively a WWSC handicap (no other data available).
Wayfarer 1107 1109 1130 1151 1107 1102 1102 1130 A bespoke handicap for no spinnaker rig.










Last updated 07:27 on 17 August 2019

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