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Individual Calculations September 2023 |
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| Crichton, Martin Total change: -25.20 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1906 | 1.00 | 5 | -1.26 | 20 | -25.20 | |
|  Dargan, Paul A G | c | | 2091 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Smith, Andrew Philip | f | | 2038 | IRL | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Drugan, Mark A | | | 1692 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Giulian, Rosemary A | | | 1855 | SCO | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Baer, Bruce L | | | 2027 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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