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Individual Calculations September 2023 |
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| Chadwick, Susan E Total change: 26.80 | |   |
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| 2023 British Championship: Over 65 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1455 | 1.50 | 4 | 1.34 | 20 | 26.80 | |
|  Reuben, Stewart | c | | 1901 | ENG | 0.50 | 1 | 0.44 | 20 | 8.80 | |  Milnes, Anthony C P | | | 1943 | ENG | 1.00 | 1 | 0.96 | 20 | 19.20 | | | Binks, Michael | | | 2140 | WLS | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Harding, Tim D | c | | 1928 | IRL | 0.00 | 1 | -0.05 | 20 | -1.00 | |
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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