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Rapid:
Individual Calculations February 2023 |
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| Petrera, Salvatore Total change: -3.00 | |   |
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| Challenge USO Echecs - Janvier 2023 | ORLEANS | FRA | 2023-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1480 | 1.50 | 3 | -0.15 | 20 | -3.00 | |
|  Guibouret, Gerard | | | 1595 | FRA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Cellier, Bertrand | | | 1181 | FRA | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Davalan, Daniel | | | 1507 | FRA | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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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