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Individual Calculations April 2009 |
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| Christophe, Jean-Francois Total change: 8.50 | |   |
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| Open International de Bethune -B | Bethune | FRA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1719 | 1.00 | 2 | 0.34 | 25 | 8.50 | |
|  Baude, Christian | | | 1830 | FRA | 1.00 | 1 | 0.65 | 25 | 16.25 | |  Dumont, Gilles | | | 1861 | FRA | 0.00 | 1 | -0.31 | 25 | -7.75 | |
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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