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Individual Calculations July 2008 |
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| Riabi, Tarek Total change: -37.25 | |   |
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| Criterium - R6-7 | IDF | FRA | 2008-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1972 | 0.50 | 1 | -0.15 | 25 | -3.75 | |
|  Ignjatovic, Miroslav | | | 1860 | FRA | 0.50 | 1 | -0.15 | 25 | -3.75 | |
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) | | | | 31ème open Victor Syre | Issy les Moulineaux | FRA | 2008-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 1972 | 0.50 | 4 | -1.34 | 25 | -33.50 | |
| | Duval, Dominique | | | 1868 | FRA | 0.50 | 1 | -0.14 | 25 | -3.50 | |  Lebrun, Xavier | | | 2144 | FRA | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Guilleux, Fabien | | | 2322 | FRA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Grigorian, Roudolph | | | 1712 | FRA | 0.00 | 1 | -0.82 | 25 | -20.50 | |
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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