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Individual Calculations January 2012 |
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| Perez, Erick Total change: -0.90 | |   |
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| World Youth Chess Championship - U 12 Open | Caldas Novas/GO | BRA | 2011-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1602 | 0.50 | 3 | -0.03 | 30 | -0.90 | |
|  Cori Quispe, Kevin | | | 2002 * | PER | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Meunier, Clement | | | 1874 | FRA | 0.00 | 1 | -0.17 | 30 | -5.10 | | | Okada, William Kenji | | | 1765 | BRA | 0.50 | 1 | 0.22 | 30 | 6.60 | | | * 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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