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Individual Calculations September 2021 |
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| Kawulski, Marcin Total change: 20.80 | |   |
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| 57th Akiba Rubinstein Chess Festival - OPEN E | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1438 | 1057 | 1.50 | 5 | 1.04 | 20 | 20.80 | |
|  Chojnowski, Robert | | | 1457 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Jankowski, Leonard | | | 1457 * | POL | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Kuska, Bartosz | | | 1425 | POL | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Weryho, Mateusz | | | 1457 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Lesnikowski, Maciej | | | 1394 | POL | 0.50 | 1 | 0.38 | 20 | 7.60 | | | * 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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