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Individual Calculations December 2017 |
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| Collins, Michael E Total change: 28.80 | |   |
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| CCF WINTER CHESS 2017-18 LONG PLAY OCTOBER 2017 B | London | ENG | 2017-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1025 | 1208 | 1.00 | 1 | 0.26 | 20 | 5.20 | |
|  Gray, David | | | 1025 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | |
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) | | | | CCF WINTER CHESS 2017-18 LONG PLAY NOVEMBER 2017 | London | ENG | 2017-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1246 | 1199 | 2.50 | 3 | 1.18 | 20 | 23.60 | |
|  Hastilow, Sarah | | | 1137 | ENG | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Gold, Harry | | | 1282 | ENG | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Zamba, Vitah | | | 1320 | NGR | 1.00 | 1 | 0.66 | 20 | 13.20 | |
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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