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Individual Calculations February 2023 |
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| Petrak, Robert Total change: -1.40 | |   |
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| PSS KS 1.1 (1. trida) druzstev 2022-2023 r1-3 | Prague | CZE | 2023-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1998 | 1.00 | 3 | -0.77 | 20 | -15.40 | |
|  Sasinka, Jiri | | | 1927 | CZE | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Sykora, Petr | | | 1872 | CZE | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Koval, Michal | | | 2000 | SVK | 0.50 | 1 | 0.00 | 20 | 0.00 | |
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 r6-7 | various | CZE | 2023-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 1998 | 1.50 | 2 | 0.70 | 20 | 14.00 | |
| | Pauch, Jan | | | 2040 | CZE | 0.50 | 1 | 0.06 | 20 | 1.20 | |  Seidl, Jan | | | 2100 | CZE | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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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