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Individual Calculations September 2021 |
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| Kowalczyk, Jakub Total change: -25.20 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN D | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1356 | 1162 | 1.50 | 8 | -0.63 | 40 | -25.20 | |
|  Wojcik, Jagoda | | | 1562 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Karalchuk, Aliaksei | | | 1478 | POL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Klama, Andrzej | | | 1408 | POL | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Przybylik, Alicja | | | 1119 | POL | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Tarlowski, Bartosz | | | 1238 | POL | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Soszka, Szymon | | | 1372 | POL | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Rybka, Tatiana | | | 1326 | POL | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Stachowiak, Bruno | | | 1345 | POL | 0.00 | 1 | -0.26 | 40 | -10.40 | | | * 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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