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Individual Calculations September 2021 |
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| Grinev, Valeriy Total change: -3.20 | |   |
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| 2. Bundesliga West 2019/2020 August 2021 | various | GER | 2021-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2428 | 2425 | 1.00 | 2 | 0.00 | 10 | 0.00 | |
|  Wegerle, Joerg | m | | 2399 | GER | 0.50 | 1 | -0.04 | 10 | -0.40 | |  Jaracz, Pawel | g | | 2456 | POL | 0.50 | 1 | 0.04 | 10 | 0.40 | |
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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN A | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2295 | 2425 | 5.50 | 9 | -0.32 | 10 | -3.20 | |
| | Zima, Teofil | | | 2025 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kubicka, Anna | | wm | 2192 | POL | 0.00 | 1 | -0.79 | 10 | -7.90 | | | Podgorski, Maciej | | | 2025 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Marczuk, Dominik | f | | 2292 | POL | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Zochowski, Kacper | f | | 2254 | POL | 1.00 | 1 | 0.27 | 10 | 2.70 | | | Kosakowski, Jakub | m | | 2429 | POL | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Zilka, Stepan | g | | 2577 | CZE | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Rozentalis, Eduardas | g | | 2523 | LTU | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Kucza, Karol | f | | 2337 | POL | 0.00 | 1 | -0.62 | 10 | -6.20 | | | * 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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