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Individual Calculations December 2017 |
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| Yapi, William Koffi Total change: -30.00 | |   |
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| 302B open FIDE du club 608 (1000-1499 elo) | PARIS | FRA | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1182 | 1373 | 1.50 | 3 | -0.75 | 40 | -30.00 | |
|  Coste, Florian | | | 1165 | FRA | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Carlier-Bromberg, Paul | | | 1209 | FRA | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Pachoro, Catherine | | | 1172 | FRA | 0.00 | 1 | -0.76 | 40 | -30.40 | |
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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