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Individual Calculations April 2023 |
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| Collins, Michael E Total change: -7.80 | |   |
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| Coulsdon Chess Dicky White - March | London | ENG | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1250 | 1128 | 1.00 | 4 | -0.39 | 20 | -7.80 | |
|  Rastogi, Nayan Keats | | | 1421 | ENG | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Wimble, Garry | | | 1107 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Mahadevan, Meikum | | | 1262 | ENG | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Selby, Keith | | | 1211 | ENG | 0.50 | 1 | 0.11 | 20 | 2.20 | |
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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