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Individual Calculations September 2022 |
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| Johnson, Richard J Total change: 45.60 | |   |
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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 |
| 1950 | 1828 | 3.50 | 7 | 1.14 | 40 | 45.60 | |
|  Girdlestone, Paul C | | | 2023 | ENG | 1.00 | 1 | 0.75 | 40 | 30.00 | |  Newton, Robert A | | | 1976 | ENG | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Bonafont, Philip R | | | 2001 | ENG | 0.50 | 1 | 0.23 | 40 | 9.20 | | | De Coverly, Roger D | | | 1918 | ENG | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Vickery, Jim E | | | 1927 | ENG | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Collinson, Mark I | | | 1854 | ENG | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Habershon, Paul F | | | 1949 | ENG | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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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