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Individual Calculations September 2011 |
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| Raptis, Nick Total change: 24.60 | |   |
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| Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2280 | 2257 | 4.00 | 5 | 1.64 | 15 | 24.60 | |
|  Heywood, Bill | | | 2144 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |  Esler, Brian John | | | 2114 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Cheng, Bindi | f | | 2385 | CAN | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Roper, David C | f | | 2278 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Orlov, Georgi | m | | 2477 | USA | 0.50 | 1 | 0.28 | 15 | 4.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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