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Individual Calculations February 2022 |
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| Nait-Makhlouf, Ali Total change: -6.20 | |   |
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| 18e Bois-Colombes Chess Master - Open C | BOIS COLOMBES | FRA | 2021-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1479 | 2.50 | 4 | -0.31 | 20 | -6.20 | |
|  Amarelis, Robin | | | 1234 | FRA | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Perruquon, Laetitia | | | 1300 | FRA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Abitbol, Ethan | | | 1396 | FRA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Rodionov, Vadim | | | 1354 | FRA | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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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