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Individual Calculations September 2023 |
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| Chiefare, Amjad Total change: -5.20 | |   |
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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 |
| 1234 | 1405 | 3.50 | 5 | -0.13 | 40 | -5.20 | |
|  Beaufreton, Thierry | | | 1265 | FRA | 1.00 | 1 | 0.31 | 40 | 12.40 | |  Placier, Pascal | | | 1179 | FRA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Delaporte, Benoit | | | 1203 | FRA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Pinsard, Denis | | | 1305 | FRA | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Guillot, Alexandre | | | 1216 | FRA | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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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