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Individual Calculations April 2023 |
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| Boruta, Dawid Total change: 21.00 | |   |
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| Druzynowe Mistrzostwa Slaska Seniorow - Ekstraliga 2023 Round 7-9 | Chorzow | POL | 2023-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1969 | 2.50 | 3 | 1.05 | 20 | 21.00 | |
|  Malinowski, Damian | | | 1993 | POL | 0.50 | 1 | 0.03 | 20 | 0.60 | |  Zabron, Maksym | | | 2024 | POL | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Bachorczyk, Marcin | | | 1925 | POL | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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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