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Individual Calculations August 2021 |
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| Pekacki, Stanislaw Total change: -34.20 | |   |
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| Najdorf Chess Festival 2021 gr. A | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1860 | 1.00 | 8 | -1.71 | 20 | -34.20 | |
|  Siwiec, Arkadiusz | | | 2206 | POL | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Majek, Kacper | | | 2018 | POL | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Kanarkiewicz, Michal | | | 2096 | POL | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Parol, Pola | | wf | 2111 | POL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Staniak, Mariusz | | | 1773 | POL | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Czechowski, Jakub | | | 1961 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Krupa, Bartlomiej | | | 1909 | POL | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Gasiorek, Dariusz | | | 1851 | POL | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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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