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Individual Calculations September 2022 |
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| Waterfield, John W Total change: -11.20 | |   |
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| Chessable British Chess Championships 2022: Weekend Open (Atkins) | Torquay | ENG | 2022-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1926 | 1.00 | 3 | -0.56 | 20 | -11.20 | |
|  Thomas, James | | | 1961 | WLS | 0.50 | 1 | 0.05 | 20 | 1.00 | |  Buanne, Luca | | | 1979 | ENG | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Verbytski, Oleg | | | 1792 | ENG | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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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