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Individual Calculations August 2023 |
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| Roback, Joe Total change: -21.40 | |   |
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| 2023 British Columbia vs Washington Match | Richmond | CAN | 2023-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1781 | 1961 | 1.00 | 3 | -1.07 | 20 | -21.40 | |
|  Sinanan, Joshua | | | 2114 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Zhu, Jamie Zhongyun | | | 1668 | USA | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Xiong, Michael | | | 1561 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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