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Rapid:
Individual Calculations October 2023 |
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| Czajka, Romuald Total change: -3.20 | |   |
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| Polish Rapid Youth Chess Championship 2023 - B10 | Bydgoszcz | POL | 2023-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1057 | 1289 | 1.50 | 2 | -0.08 | 40 | -3.20 | |
|  Grochowina, Bartlomiej | | | 1025 | POL | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Jamka, Wojciech | | | 1088 | POL | 0.50 | 1 | -0.26 | 40 | -10.40 | |
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) | | |
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