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Individual Calculations August 2021 |
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| Kosakowski, Jakub Total change: 12.30 | |   |
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| Najdorf Chess Festival 2021 gr. A | Warszawa | POL | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2342 | 2417 | 6.50 | 9 | 1.23 | 10 | 12.30 | |
|  Malaczek, Mateusz | | | 2017 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Kaczmarek, Arkadiusz | | | 2147 | POL | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Zochowski, Kacper | f | | 2262 | POL | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Malicka, Maria | f | wc | 2272 | POL | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Dragun, Kamil | g | | 2557 | POL | 0.50 | 1 | 0.19 | 10 | 1.90 | | | Donchenko, Alexander | g | | 2652 | GER | 0.50 | 1 | 0.29 | 10 | 2.90 | | | Rozentalis, Eduardas | g | | 2520 | LTU | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Mickiewicz, Piotr | | | 2247 | POL | 0.00 | 1 | -0.72 | 10 | -7.20 | | | Romanishin, Oleg M | g | | 2404 | UKR | 1.00 | 1 | 0.48 | 10 | 4.80 | | | * 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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