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Rapid:
Individual Calculations December 2021 |
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| Petrera, Salvatore Total change: 8.40 | |   |
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| Challenge USO Echecs - Novembre 2021 | ORLEANS | FRA | 2021-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1478 | 1514 | 2.00 | 3 | 0.42 | 20 | 8.40 | |
|  Brunette, Philippe | | | 1166 | FRA | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Bouilloux, Jordan | | | 1742 | FRA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Estieu, Frederic | | | 1526 | FRA | 1.00 | 1 | 0.52 | 20 | 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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