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Individual Calculations January 2023 |
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| Biyiasas, Theodore Total change: -27.00 | |   |
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| 4th Annual Donaldson Championship - 2000 and up | San Francisco, California | USA | 2022-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1629 | 1910 | 2.00 | 4 | -1.35 | 20 | -27.00 | |
|  Yao, Hanchi | | | 1618 | USA | 0.50 | 1 | -0.35 | 20 | -7.00 | |  Zhou, Ivan | | | 1580 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Videna, Daniel Tuapen | | | 1638 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Sun, Kevin | | | 1681 | USA | 0.50 | 1 | -0.29 | 20 | -5.80 | |
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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