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Individual Calculations September 2022 |
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| Jackson, Paul G Total change: 52.40 | |   |
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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 |
| 1913 | 1578 | 3.50 | 7 | 2.62 | 20 | 52.40 | |
|  Vickery, Jim E | | | 1927 | ENG | 0.50 | 1 | 0.39 | 20 | 7.80 | |  Girdlestone, Paul C | | | 2023 | ENG | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Gamble, Raymond J | | | 1859 | ENG | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Moore, John C | | | 1946 | ENG | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Habershon, Paul F | | | 1949 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Matthew, Ian G | | | 1816 | ENG | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Michaud, Gerald | | | 1871 | CAN | 0.50 | 1 | 0.35 | 20 | 7.00 | |
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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