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Individual Calculations September 2023 |
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| Ibrahim, Mohamed Total change: -29.60 | |   |
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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 |
| 1204 | 1458 | 2.50 | 4 | -0.74 | 40 | -29.60 | |
|  Bahoff, Franck | | | 1207 | FRA | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Bremont, Valentin | | | 1275 | FRA | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Lambert, Jerome | | | 1181 | FRA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Roger, Aolis | | | 1152 | FRA | 1.00 | 1 | 0.14 | 40 | 5.60 | |
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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