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Individual Calculations January 2011 |
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| Sommeria, Christian Total change: 31.25 | |   |
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| 10e open international Rohde | SAUTRON | FRA | 2010-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1430 | 3.00 | 8 | 1.38 | 25 | 34.50 | |
|  Louf, Claude | | | 1610 | FRA | 1.00 | 1 | 0.74 | 25 | 18.50 | |  Roussel, Glenn | | | 1676 | FRA | 1.00 | 1 | 0.81 | 25 | 20.25 | | | Le Loarer, Herve | | | 1696 | FRA | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Baldi, Valentine | | | 1637 | FRA | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Colas, Bruno | | | 1601 | FRA | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Perrier, Jean-Francois | | | 1637 | FRA | 1.00 | 1 | 0.77 | 25 | 19.25 | | | Bapst, Valentin | | | 1830 * | FRA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Auvray, Honorine | | | 1697 | FRA | 0.00 | 1 | -0.18 | 25 | -4.50 | | | * 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) | | | | Open Rétif - Ch. Loire-Atlantique - Part 1 | GETIGNE | FRA | 2010-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1569 | 1430 | 0.50 | 2 | -0.13 | 25 | -3.25 | |
| | Rouault, Michel | | | 1597 | FRA | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Bellay, Jean-Pierre | | | 1540 | 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) | | |
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