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Rapid:
Individual Calculations February 2017 |
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| Kowalczyk, Robert Total change: -7.80 | |   |
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| Golders Green Rapidplay Amateur Jan 17 | London | ENG | 2017-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1281 | 1358 | 2.00 | 4 | -0.39 | 20 | -7.80 | |
|  Bluestone, Dave J | | | 1575 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Hastilow, Sarah | | | 1103 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | White, Nigel | | | 1229 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Kapur, Gul | | | 1216 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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