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Individual Calculations July 2009 |
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| Boussaha, Bilal Total change: 7.05 | |   |
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| Interne St Quentin en Yvelines - 2 | Elancourt | FRA | 2009-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1961 | 1.50 | 2 | 0.53 | 15 | 7.95 | |
|  Heimann, Udo | | | 1942 | GER | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Bulcourt, Nicolas | | | 2002 | FRA | 1.00 | 1 | 0.56 | 15 | 8.40 | |
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) | | | | 11e Open international d'Echecs de Saint Quentin en Yvelines | Elancourt | FRA | 2009-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1957 | 5.00 | 9 | -0.06 | 15 | -0.90 | |
| | Guillet, Jacques | | | 1607 | FRA | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Lebrun, Xavier | | | 2210 | FRA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Baches, Frederic | | | 1855 | FRA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Habunek, Patrick | | | 1772 | FRA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Duval, Dominique | | | 1846 | FRA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Fromentin, Sebastien | | | 1907 | FRA | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Costa, Pierre-Jean | | | 1891 | FRA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Cheymol, Eric | | | 2188 | FRA | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Galazka, Pierre | | | 1896 | FRA | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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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