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Individual Calculations January 2020 |
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| Heidari, Ako Total change: -10.20 | |   |
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| IM Donaldson Championship 2019 | San Francisco, California | USA | 2019-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 1756 | 1.00 | 4 | -0.51 | 20 | -10.20 | |
|  Pang, Ashley | | wc | 1860 | USA | 1.00 | 1 | 0.64 | 20 | 12.80 | |  Canessa, John Luca | | | 1962 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Li, Eric Yuhan | c | | 2156 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Qin, Vincent | | | 1481 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | * 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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