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Individual Calculations July 2009 |
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| Da Costa, Manuel Total change: -11.50 | |   |
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| 27e open international de Noisy-le-Grand | Noisy Le Grand | FRA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1670 | 1457 | 0.50 | 4 | -0.46 | 25 | -11.50 | |
|  Bogratchew, Albert | | | 1807 | FRA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Aliphat, Pierre | | | 1571 | FRA | 0.50 | 1 | 0.16 | 25 | 4.00 | |  Tak-Tak, Lotfi | | | 1710 | FRA | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Sanchis, Fernand | | | 1591 | FRA | 0.00 | 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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