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Rapid:
Individual Calculations August 2021 |
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| Petrera, Salvatore Total change: -21.40 | |   |
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| Challenge USO Echecs - Juillet 2021 | ORLEANS | FRA | 2021-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1383 | 1558 | 1.00 | 3 | -1.07 | 20 | -21.40 | |
|  Binetruy, Typhanie | | | 1325 | FRA | 0.00 | 1 | -0.79 | 20 | -15.80 | |  Houwenaghel, Maxime | | | 1162 | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Brecheteau, Paul | | | 1662 | FRA | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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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