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Individual Calculations July 2009 |
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| Riabi, Tarek Total change: 20.55 | |   |
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| Criteriums - R4-5 | IDF | FRA | 2009-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1942 | 1.00 | 2 | -0.21 | 15 | -3.15 | |
|  Helfferich, Erik | | | 1874 | FRA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Le Grix De La Salle, Jean-Marie | | | 1854 | FRA | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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) | | | | N4 - R6 | Various | FRA | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1855 | 1942 | 0.50 | 1 | -0.12 | 15 | -1.80 | |
| | Courbiere, Jean-Remy | | | 1855 | FRA | 0.50 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | N4 - R7 | Various | FRA | 2009-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1967 | 0.00 | 1 | -0.57 | 15 | -8.55 | |
| | Zaky, Tamir | | | 1917 | FRA | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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 Paris des - 2200 Elo | Paris | FRA | 2009-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 1967 | 5.50 | 9 | 2.27 | 15 | 34.05 | |
|  Aurel, Luc | f | | 2158 | FRA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Eche, Sylvain | | | 2191 | FRA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Mano, Francois | | | 1874 | FRA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Wernert, Bruno | | | 2062 | FRA | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Giroux, Fabrice | | | 2169 | FRA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Milanovic, Dino | | | 2182 | FRA | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Massip, Julien | | | 2067 | FRA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Molet, Asher | | | 1896 | FRA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Thellier, Francis | | | 2096 | 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) | | |
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