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Individual Calculations January 2012 |
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| Okada, William Kenji Total change: -25.50 | |   |
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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 |
| 1538 | 1765 | 1.50 | 3 | -0.85 | 30 | -25.50 | |
|  Espinoza Robles, Diego | | | 1463 | PER | 0.50 | 1 | -0.35 | 30 | -10.50 | | | Tennakoon, T T M D C T | | | 1549 | SRI | 0.50 | 1 | -0.28 | 30 | -8.40 | |  Perez, Erick | | | 1602 | ECU | 0.50 | 1 | -0.22 | 30 | -6.60 | |
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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