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Individual Calculations March 2023 |
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| Zambrana, Osvaldo Total change: -14.30 | |   |
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| I Open Internacional Master Chess Peru | Lima | PER | 2023-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 2406 | 6.50 | 9 | -1.43 | 10 | -14.30 | |
|  Montesinos Parisaca, Tupac Russel | | | 2006 * | PER | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Cuya Zevallos, Andrew Francisco | | | 1798 | PER | 1.00 | 1 | 0.02 | 10 | 0.20 | | | Ticona Rocabado, Licael Roderick | f | | 2146 | BOL | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Oswaldo Valentin, Requejo Cotrin | f | | 2187 | PER | 0.00 | 1 | -0.78 | 10 | -7.80 | | | Salazar Flores, Yerick Alexander | | | 1580 | PER | 1.00 | 1 | 0.00 | 10 | 0.00 | | | Jimenez Salas, Maria Teresa | | | 1828 | PER | 1.00 | 1 | 0.02 | 10 | 0.20 | | | Leiva, Gianmarco | m | | 2398 | PER | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Caceres Sandoval, Eduardo | | | 1934 | PER | 1.00 | 1 | 0.05 | 10 | 0.50 | | | Garay Ramirez, Estefano Javier | | | 1683 | PER | 0.50 | 1 | -0.49 | 10 | -4.90 | | | * 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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