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Rapid:
Individual Calculations May 2023 |
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| West, James Total change: -22.60 | |   |
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| Coulsdon Chess Rapidplay - Easter (Rated Sections) | Coulsdon | ENG | 2023-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1178 | 1351 | 1.00 | 3 | -1.13 | 20 | -22.60 | |
|  Burnside, Aidan | | | 1099 | ENG | 0.00 | 1 | -0.81 | 20 | -16.20 | |  Boztas, Lana | | | 1365 | ENG | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Rosenbach, Phillip | | | 1071 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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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