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Individual Calculations January 2022 |
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| Polyakin, Vladimir Total change: -22.80 | |   |
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| 52nd Annual National Chess Congress - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1847 | 1.50 | 4 | -1.14 | 20 | -22.80 | |
|  Wang, Lilian | | | 1522 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Hoffman, Luc William Crim | | | 1812 | USA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Dong, Kyle Qiyu | | | 1640 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Middaugh, Jon Scott | | | 1886 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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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