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Individual Calculations September 2012 |
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| Medrano, Sebastian Total change: -15.00 | |   |
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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 |
| 1642 | 1782 | 1.50 | 3 | -0.50 | 30 | -15.00 | |
|  Avila, Carlos | c | | 1860 | BOL | 0.00 | 1 | -0.39 | 30 | -11.70 | | | Romero, Sebastian Peru | | | 1561 | PER | 1.00 | 1 | 0.22 | 30 | 6.60 | |  Santiago Vilca, Christian | | | 1505 | PER | 0.50 | 1 | -0.33 | 30 | -9.90 | |
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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