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Individual Calculations May 2019 |
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| Gray, Mark S Total change: -1.00 | |   |
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| CCF Winter Chess Club LP Matches Stage 9 | London | ENG | 2019-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 2133 | 2.00 | 3 | -0.05 | 20 | -1.00 | |
|  Snape, Ian L | | | 2154 | ENG | 0.00 | 1 | -0.47 | 20 | -9.40 | |  Darville, Matt | | | 1801 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Oozeerally, Tariq | | | 1987 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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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