Individual Calculations September 2011 |
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Heywood, Bill Total change: -7.95 | | |
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Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
Rc | Ro | w | n | change | K | K*chg | Game |
2138 | 2144 | 2.00 | 5 | -0.53 | 15 | -7.95 | |
| Raptis, Nick | f | | 2257 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | Doknjas, John | | | 1931 | CAN | 1.00 | 1 | 0.23 | 15 | 3.45 | | Bragg, David R | f | | 2204 | USA | 0.00 | 1 | -0.42 | 15 | -6.30 | | Feng, Roland | | | 2019 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | Roper, David C | f | | 2278 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | 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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