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Individual Calculations April 2023 |
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| Petrak, Robert Total change: -12.20 | |   |
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| PSS KS 1.1 (1. trida) druzstev 2022-2023 r7-10 | Prague | CZE | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 1997 | 1.50 | 3 | -0.21 | 20 | -4.20 | |
|  Jahoda, Ladislav | | | 1856 | CZE | 0.50 | 1 | -0.19 | 20 | -3.80 | |  Starychfojtu, Josef | | | 1847 | CZE | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Doring, Robert | | | 2133 | CZE | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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) | | | | SSS Krajsky prebor 2022-2023 r10 | various | CZE | 2023-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 1988 | 0.00 | 1 | -0.40 | 20 | -8.00 | |
| | Zahorbensky, Jaroslav | | | 2057 | CZE | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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