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Individual Calculations December 2022 |
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| Petrak, Robert Total change: -15.40 | |   |
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| SSS Krajsky prebor 2022-2023 r2-4 | various | CZE | 2022-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 2008 | 1.00 | 3 | -0.77 | 20 | -15.40 | |
|  Pychova, Nela | | wf | 2096 | CZE | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Feierfeil, Jiri | | | 1690 | CZE | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Martirosyan, David | | | 1993 | CZE | 1.00 | 1 | 0.48 | 20 | 9.60 | |
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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