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Individual Calculations July 2012 |
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| Sergatskov, Dmitri Total change: 21.90 | |   |
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| 10th NA Amateur | Skokie, Illinois | USA | 2012-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1988 | 2.50 | 3 | 0.73 | 30 | 21.90 | |
|  Richmond, M Barrie | | | 1829 | USA | 1.00 | 1 | 0.29 | 30 | 8.70 | |  Bian, Alex | | | 1905 | USA | 0.50 | 1 | -0.11 | 30 | -3.30 | | | Cen, Kent Y | | | 2023 | USA | 1.00 | 1 | 0.55 | 30 | 16.50 | |
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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