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Individual Calculations September 2012 |
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| Tello Chavez, Isaac Valent Total change: -2.25 | |   |
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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 |
| 1775 | 1733 | 2.00 | 5 | -0.15 | 15 | -2.25 | |
|  Torres Cueto, Jesus Marcial | | | 1879 | COL | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Chiang, Jonathan | | | 1935 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Solis, Arturo | | | 1405 | PER | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Avila, Carlos | c | | 1860 | BOL | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Oliveira, Tiago Lopes | | | 1795 | BRA | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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