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Individual Calculations December 2021 |
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| Niedbala, Bartlomiej Total change: 2.70 | |   |
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| Druzynowe Mistrzostwa Slaska Juniorow - Ekstraliga Slaska Juniorow 2021 Round 7-9 | Chorzow | POL | 2021-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 2378 | 1.50 | 2 | -0.22 | 10 | -2.20 | |
|  Gradalski, Olaf | | | 2114 | POL | 0.50 | 1 | -0.32 | 10 | -3.20 | |  Malik, Maciej | | | 2013 | POL | 1.00 | 1 | 0.10 | 10 | 1.00 | |
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) | | | | OPEN JASTRZEBIE-ZDROJ 2021 | Jastrzebie-Zdroj | POL | 2021-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2382 | 8.50 | 9 | 0.49 | 10 | 4.90 | |
| | Seemann, Pola | | | 1982 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Gepfert, Cyprian | | | 1982 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Drabiniok, Kazimierz | | | 1982 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Posluszny, Tomasz | | | 2034 | POL | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Herwy, Jakub | | | 1982 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tymrakiewicz, Rafal | f | | 2225 | POL | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Adamczyk, Zuzanna | | wc | 2035 | POL | 0.50 | 1 | -0.39 | 10 | -3.90 | | | Piechota, Kamil | | | 1982 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Golis, Wiktor | | | 1982 * | POL | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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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