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Rapid:
Individual Calculations January 2013 |
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| Grimberg, Boris Total change: 4.60 | |   |
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| London Chess Classic 2012: Rapidplay B Open | London | ENG | 2012-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2361 | 4.50 | 6 | 0.23 | 20 | 4.60 | |
|  Chiu, Howard | c | | 2042 | SIN | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Healey, Michael W | | | 2149 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Haldane, Robin W | | | 2151 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Mortazavi, Ali | m | | 2340 | ENG | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Summerscale, Aaron P | g | | 2423 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Tambini, Jasper | | | 1961 * | ENG | 1.00 | 1 | 0.08 | 20 | 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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