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Individual Calculations August 2021 |
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| Kopaniewski, Jakub Total change: -4.00 | |   |
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| Najdorf Chess Festival 2021 gr. B | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1437 | 1634 | 6.50 | 9 | -0.10 | 40 | -4.00 | |
|  Zybrant, Sandra | | | 1234 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Kopaniewski, Wojciech | | | 1389 | POL | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Wolszczak, Natalia | | | 1314 | POL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Szymkiewicz, Witold | | | 1420 | POL | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Leszczewicz, Karol | | | 1402 | POL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Piskorski, Filip | | | 1455 | POL | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Obrycki, Tomasz | | | 1400 | POL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Iwaszkiewicz, Krzysztof | | | 1706 | POL | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Wieckowski, Michal | | | 1613 | POL | 0.00 | 1 | -0.53 | 40 | -21.20 | | | * 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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