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Individual Calculations January 2023 |
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| Kopec, Mariusz Total change: -0.80 | |   |
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| Walbrzyska Dolnoslaska Liga Okregowa 2022-3 Round 1-3 | various | POL | 2022-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1775 | 2020 | 1.50 | 2 | -0.04 | 20 | -0.80 | |
|  Bielinski, Kazimierz | | | 1620 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Plotka, Wojciech | | | 1929 | POL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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