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Individual Calculations September 2012 |
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| Martinez Sanchez, David R Total change: 20.70 | |   |
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| XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 18 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1937 | 4.50 | 9 | 0.69 | 30 | 20.70 | |
|  Ochoa De La Rosa, Manuel Dario | | | 2247 | CUB | 0.00 | 1 | -0.14 | 30 | -4.20 | |  Garmendia Vega, Gabriel | | | 1825 | CHI | 0.00 | 1 | -0.65 | 30 | -19.50 | | | Ccahua, Alexander | | | 1758 | PER | 1.00 | 1 | 0.27 | 30 | 8.10 | | | Rivera Ochoa, Byron | | | 1800 | ECU | 1.00 | 1 | 0.32 | 30 | 9.60 | | | Monroy G, Javier A | | | 2137 | BOL | 1.00 | 1 | 0.76 | 30 | 22.80 | | | Martinez Romero, Martin | f | | 2337 * | COL | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Singh, Vishnu | | | 2023 | TRI | 0.00 | 1 | -0.38 | 30 | -11.40 | | | Torres Chavez, Pablo | | | 1775 | CHI | 1.00 | 1 | 0.29 | 30 | 8.70 | | | Ayala Pena, Eduardo Azael | c | | 2180 | MEX | 0.50 | 1 | 0.30 | 30 | 9.00 | | | * 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) | | |
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