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Individual Calculations September 2009 |
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| Cogan, Guillaume Total change: 28.25 | |   |
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| 11e Festival d'Echecs- 11e open jeunes | St Lo | FRA | 2009-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1401 | 1.50 | 3 | 1.13 | 25 | 28.25 | |
|  Des Bouillons, Louis | | | 1723 | FRA | 1.00 | 1 | 0.87 | 25 | 21.75 | |  Lavanant, Maxime | | | 1801 * | FRA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Cogan, Nicolas | | | 1686 | FRA | 0.50 | 1 | 0.34 | 25 | 8.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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