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Individual Calculations April 2009 |
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| Costa, Pierre-Jean Total change: 6.60 | |   |
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| N2 - R4 | Various | FRA | 2008-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 1876 | 1.00 | 1 | 0.67 | 15 | 10.05 | |
|  Imbert, Etienne | | | 2005 | FRA | 1.00 | 1 | 0.67 | 15 | 10.05 | |
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) | | | | N2 - R5-6 | Various | FRA | 2009-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 1884 | 1.00 | 2 | 0.16 | 15 | 2.40 | |
|  Le Kouaghet, Euwen | | | 1930 | FRA | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Pytel, Bozena | | wm | 1959 | FRA | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | | | N2 - R7 | Various | FRA | 2009-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 1884 | 0.00 | 1 | -0.39 | 15 | -5.85 | |
| | Brunier, Jules | | | 1962 | FRA | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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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