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Individual Calculations July 2021 |
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| Colas, Joshua Total change: -32.20 | |   |
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| 2021 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2315 | 4.50 | 9 | -1.61 | 20 | -32.20 | |
|  Au, Christopher | | | 1915 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Niemann, Hans | g | | 2567 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Rorrer, Grayson | | | 2117 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Yan, Ruiyang | | wc | 2084 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Vorontsov, Pavlo | g | | 2540 | UKR | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Hakobyan, Eduard E | | | 2127 | USA | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Xia, Brandon Yang | c | | 2046 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Kunka, Harshid | | | 1915 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wu, Derek | | | 2135 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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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