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Individual Calculations May 2011 |
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| Costa, Jean-Yves Total change: 4.05 | |   |
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| Coupe du Gard - Part 2 | VERGEZE | FRA | 2011-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 1877 | 0.50 | 1 | 0.25 | 15 | 3.75 | |
|  Mariel, David | | | 2066 | FRA | 0.50 | 1 | 0.25 | 15 | 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) | | | | 30e open international de Clermont-Ferrand | CLERMONT FERRAND | FRA | 2011-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 1875 | 2.50 | 4 | 0.02 | 15 | 0.30 | |
|  Zounani, Yacine | | | 1574 | FRA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Collas, Didier | m | | 2275 * | FRA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Alinc, Dimitri | | | 1695 | FRA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Cremers, Bertrand | | | 1625 | FRA | 1.00 | 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) | | |
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