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Individual Calculations September 2012 |
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| Vilca, Javier Total change: -1.80 | |   |
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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 |
| 1858 | 1568 | 0.50 | 4 | -0.12 | 15 | -1.80 | |
|  Quinonez Garcia, Santiago | | | 1900 | COL | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Machaca Fernandez, Luis | | | 1794 | PER | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Avila, Carlos | c | | 1860 | BOL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Torres Cueto, Jesus Marcial | | | 1879 | COL | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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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