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Individual Calculations September 2012 |
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| Cevasco Balcazar, Leonardo Giova Total change: -13.80 | |   |
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| XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 12 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1671 | 1657 | 0.50 | 2 | -0.46 | 30 | -13.80 | |
|  Diaz Contreras, Pedro | | | 1780 | CHI | 0.00 | 1 | -0.33 | 30 | -9.90 | |  Romero, Sebastian Peru | | | 1561 | PER | 0.50 | 1 | -0.13 | 30 | -3.90 | |
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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