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Individual Calculations January 2023 |
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| Gelman, Jeffrey A Total change: 17.60 | |   |
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| 53rd annual National Chess Congress - 1800-2199 | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1362 | 1.00 | 4 | 0.44 | 40 | 17.60 | |
|  Li, Kevin Zhang | | | 1745 | USA | 0.50 | 1 | 0.41 | 40 | 16.40 | |  Hua, Charles | | | 1790 | USA | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Gillman, Jones | | | 1610 | FID | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Luo, Neil | | | 1590 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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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