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Individual Calculations September 2012 |
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| Flores Cosme, Piero Total change: 9.45 | |   |
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| II Open IRT " Circulo Peruano de Ajedrez" | Lima | PER | 2012-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1496 | 1.00 | 3 | 0.73 | 15 | 10.95 | |
|  Torres Castillo, Jose Luis | | | 1896 * | PER | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Bernales, Oscar | | | 1896 * | PER | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Suyo, Adrian | | | 1847 | PER | 0.00 | 1 | -0.11 | 15 | -1.65 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | XXIII Festival Panamericano de Ajedrez de la Juventud Open sub 14 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1512 | 0.50 | 4 | -0.10 | 15 | -1.50 | |
| | Gomez Vazquez, Carlos | | | 1847 | MEX | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Filipps, Yamil | | | 1790 | BOL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Borda, Cesar | | | 1866 | BOL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Singh, Mahendra | | | 1752 | TRI | 0.50 | 1 | 0.30 | 15 | 4.50 | |
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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