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Individual Calculations September 2022 |
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| Bonafont, Philip R Total change: -0.40 | |   |
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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 |
| 1892 | 2001 | 4.50 | 7 | -0.02 | 20 | -0.40 | |
|  Matthew, Ian G | | | 1816 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Thynne, Trefor F | | | 1884 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Johnson, Richard J | | | 1828 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Michaud, Gerald | | | 1871 | CAN | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Collinson, Mark I | | | 1854 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Fryer, David W | | | 1875 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | James, Geoffrey H | c | | 2118 | ENG | 0.50 | 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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