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Individual Calculations April 2009 |
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| Chatton, Jean-Bernard Total change: 15.50 | |   |
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| 25e Open International d'Echecs | GENEVA | SUI | 2008-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 1892 | 1.50 | 4 | 0.62 | 25 | 15.50 | |
|  Grillon, Alexandre | | | 2070 | SUI | 0.50 | 1 | 0.23 | 25 | 5.75 | |  Guex, Pascal | | | 2190 | SUI | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Daverio, Edoardo | | | 2056 | SUI | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Broome, Tim | | | 2159 | HKG | 0.50 | 1 | 0.32 | 25 | 8.00 | |
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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