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Individual Calculations September 2022 |
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| Orton, Stephen L A Total change: -8.80 | |   |
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| Chessable British Chess Championships 2022: Over 65 | Torquay | ENG | 2022-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2116 | 2.50 | 4 | -0.22 | 40 | -8.80 | |
|  Collinson, Mark I | | | 1854 | ENG | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Thynne, Trefor F | | | 1884 | ENG | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Chandler, Cliff R | | | 2244 | ENG | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Mildenhall, John | | | 1898 | ENG | 0.50 | 1 | -0.28 | 40 | -11.20 | |
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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