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Individual Calculations September 2023 |
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| Childs, Barry B Total change: -24.00 | |   |
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| 1er Open International de Perros-Guirec - Open B (-1600) | PERROS GUIREC | FRA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1178 | 1355 | 1.00 | 3 | -1.20 | 20 | -24.00 | |
|  Guillot, Alexandre | | | 1216 | FRA | 1.00 | 1 | 0.31 | 20 | 6.20 | |  Dereux, Nino | | | 1129 | FRA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Masson, Vincent | | | 1190 | FRA | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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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