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Individual Calculations January 2023 |
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| Tatum, Kofi Total change: -49.20 | |   |
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| 57th American Open | Orange, CA | USA | 2022-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 2061 | 3.50 | 8 | -2.46 | 20 | -49.20 | |
|  Ward, Noah | | | 1809 | USA | 0.00 | 1 | -0.81 | 20 | -16.20 | |  Gasparyan, David | | | 1940 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Wang, Andrew | | | 1824 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Atwell, Rose | | | 1954 | USA | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Vu, Leonard | | | 1771 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Arutla, Aditya | | | 1902 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Mauskopf, Roman | | | 1825 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Pullela, Sricharan | | | 1916 | USA | 0.50 | 1 | -0.19 | 20 | -3.80 | |
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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