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Individual Calculations April 2009 |
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| Hortensius, Kees Total change: -20.25 | |   |
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| Open International de Bethune -B | Bethune | FRA | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1678 | 1.00 | 3 | -0.81 | 25 | -20.25 | |
|  Vinckier, Delphine | | | 1814 | FRA | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Pataki, Zemplen | | | 1493 | LUX | 0.50 | 1 | -0.24 | 25 | -6.00 | | | Calonne, Pascal | | | 1483 | FRA | 0.50 | 1 | -0.25 | 25 | -6.25 | |
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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