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Individual Calculations March 2023 |
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| Petrak, Robert Total change: -9.00 | |   |
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| PSS KS 1.1 (1. trida) druzstev 2022-2023 r4-6 | Prague | CZE | 2023-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1998 | 1.00 | 2 | -0.15 | 20 | -3.00 | |
|  Matejka, Petr | | | 1996 | CZE | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Salac, Jiri | | | 1886 | CZE | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | SSS Krajsky prebor 2022-2023 r8-9 | various | CZE | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 1997 | 0.50 | 2 | -0.30 | 20 | -6.00 | |
| | Moravec, Vit | | | 2203 | CZE | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Elias, Jakub | | | 1955 | CZE | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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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