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Individual Calculations January 2019 |
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| Illingworth, John B Total change: -18.40 | |   |
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| 10th CSC London Chess Classic: 5-Day Under 1750 | London | ENG | 2018-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1442 | 1639 | 2.00 | 4 | -0.92 | 20 | -18.40 | |
|  Watkins, Sophie | | | 1271 | AUS | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Dupuis, Denis K | | | 1355 | ENG | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Kirkland, Arnold G | | | 1482 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Bussmann, John | | | 1658 | ENG | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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