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Individual Calculations September 2009 |
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| Roubaud, Alexandre Total change: -22.95 | |   |
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| 17e open international de Saint-Affrique | Saint Affrique | FRA | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 2058 | 2.50 | 6 | -0.99 | 15 | -14.85 | |
|  Bertrand, Meryl | | | 1658 * | FRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Sanchez, Nicolas | | | 2205 | FRA | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Sola, Flavien | | | 1870 | FRA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Bosc, Sebastien | | | 1987 | FRA | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Jamme, Jean-Pierre | | | 1974 | FRA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Houard, Yannick | | | 2200 | FRA | 0.50 | 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) | | | | Championnat de France - Open A | Nimes | FRA | 2009-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2058 | 5.50 | 11 | -0.54 | 15 | -8.10 | |
| | Gidel, Jean-Louis | | | 2157 | FRA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Jamme, Jean-Pierre | | | 1974 | FRA | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Busson, Benoist | | | 2009 | FRA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Koch, Alain | | | 1985 | FRA | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Brih, Touatia | | | 1956 | FRA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Schoucair, Henry | | | 2002 | FRA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Marcel, Valentin | | | 1962 | FRA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Vanderbeeken, Mikael | | | 2124 | FRA | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Prost, Frederic | | | 2147 | FRA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Hubert, Raphael | | | 1945 | FRA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Neri, Jean-Baptiste | | | 1989 | FRA | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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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