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Individual Calculations September 2012 |
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| Diaz Rosas, Jose Martin Total change: 39.90 | |   |
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| Campeonato Nacional Sub 20 Varonil 2012 | MEXICO DF | MEX | 2012-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1520 | 0.00 | 1 | -0.09 | 30 | -2.70 | |
|  Herrera Cereceres, Luis Al | | | 1910 | MEX | 0.00 | 1 | -0.09 | 30 | -2.70 | |
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 |
| 1828 | 1520 | 2.00 | 4 | 1.42 | 30 | 42.60 | |
| | Zarate, Fernandoh | | | 1768 | PAR | 1.00 | 1 | 0.81 | 30 | 24.30 | |  Stone, , Ronnie Frank Pires | | | 1920 * | BRA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Filipps, Yamil | | | 1790 | BOL | 1.00 | 1 | 0.83 | 30 | 24.90 | | | Escalante Ramirez, Brian Sebasti | | | 1834 | PER | 0.00 | 1 | -0.14 | 30 | -4.20 | | | * 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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