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Individual Calculations November 2023 |
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| Coleman, Phil Total change: -32.80 | |   |
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| 74th South Island Chess Championship 2023 | Oamaru | NZL | 2023-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1631 | 2.50 | 6 | -0.82 | 40 | -32.80 | |
|  Keeling, Roy L | | | 1257 | NZL | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Lee, Dylan E S | | | 1231 * | NZL | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Familton, Gregory | | | 1554 | NZL | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Williams, Matt | | | 1584 | NZL | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Ong, Rommel | | | 1801 | PHI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Lukey, Stephen G | f | | 2127 | NZL | 0.00 | 1 | -0.04 | 40 | -1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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