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Individual Calculations May 2010 |
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| Costa, Jean-Yves Total change: 16.65 | |   |
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| 114e open international Club 608 | Paris | FRA | 2010-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1860 | 5.00 | 6 | 0.93 | 15 | 13.95 | |
|  Banat, Rizlene | | wf | 1587 | ALG | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Pommier, Eugene | | | 1555 | FRA | 1.00 | 1 | 0.14 | 15 | 2.10 | | | N Zenzo, Kisala | | | 1685 | FRA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Toulzac, Pierre-Yves | f | | 2260 * | FRA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Gaborit, Arnaud | | | 1658 | FRA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Gachet, Michel | | | 1610 | FRA | 1.00 | 1 | 0.19 | 15 | 2.85 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Nationale 4 - R6 | Various | FRA | 2010-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 1874 | 0.00 | 1 | -0.26 | 15 | -3.90 | |
| | Chevalier, Eric | | | 2062 | FRA | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | 9e Open International d'Echecs de Malakoff 2010 | Malakoff | FRA | 2010-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1874 | 3.50 | 6 | 0.44 | 15 | 6.60 | |
| | Imbert, Gerard | | | 1689 | FRA | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Corrigan, Francis | | | 1968 | FRA | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Green, Andrew D | | | 2169 | SCO | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Leuly, Max | | | 2161 | FRA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Atamian, Claude | | | 1612 | FRA | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Keraval Roignant, Claude | | | 1614 | FRA | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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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