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Individual Calculations January 2011 |
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| Arias, Mario Total change: -4.20 | |   |
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| VII Sudamericano de la juventud 2010 - Sub - 16 Absoluto | Sucre - Bolivia | BOL | 2010-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2114 | 2.00 | 4 | -0.45 | 15 | -6.75 | |
|  Torres, Fernando | | | 1856 | ARG | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Latorre, Matias | | | 2081 | PAR | 0.00 | 1 | -0.55 | 15 | -8.25 | |  Celis, Kevin | | | 2031 | BOL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Mendoza, Rodrigo | | | 2137 | BOL | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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) | | | | CAMPEONATO PANAMERICANO DE AJEDREZ ESCOLAR - SUB 15 ABSOLUTO | LIMA, PERU | PER | 2010-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 2114 | 4.00 | 5 | 0.17 | 15 | 2.55 | |
| | Puppi Lazo, Jorge Luis | | | 1853 | PER | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Tapia Huerta, Joel | | | 1886 | PER | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Rodriguez Abanto, Jesus Daniel | | | 1877 | PER | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Guerrero Zambrano, Joel | | | 2052 | ECU | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Tobar Ledesma, Luis | | | 1842 | ECU | 0.50 | 1 | -0.33 | 15 | -4.95 | |
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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