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Individual Calculations January 2020 |
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| Kaufman, Ray Total change: -3.00 | |   |
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| IM Donaldson Championship 2019 | San Francisco, California | USA | 2019-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 2269 | 3.50 | 5 | -0.15 | 20 | -3.00 | |
|  Biyiasas, Theodore | | | 1961 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Canessa, John Luca | | | 1962 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Wu, Derek | | | 2040 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Wu, Rochelle | | wm | 2136 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Liang, Jason | f | | 2296 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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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