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Individual Calculations September 2023 |
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| Coiffard, Guillaume Total change: -1.60 | |   |
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| 1er Open International de Perros-Guirec - Open A (-2200) | PERROS GUIREC | FRA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1596 | 2.00 | 6 | -0.08 | 20 | -1.60 | |
|  Coste, Thierry | | | 2024 | FRA | 0.00 | 1 | -0.07 | 20 | -1.40 | |  Bihi, Mehdi | | | 1817 | FRA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Lety, Michel | | | 1364 | FRA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Poulain, Emilien | | | 1732 | FRA | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Olivier, Philippe | | | 1735 | FRA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Siraga, Timothee | | | 1688 | FRA | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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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