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Individual Calculations September 2011 |
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| Vintimilla Pena, Amarelis Total change: -0.45 | |   |
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| XVI GRAND PRIX NACIONAL DE AJEDREZ PRIMERA PARADA Cat. U-2100 | Coca | ECU | 2011-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1645 | 0.50 | 2 | -0.42 | 15 | -6.30 | |
|  Lozano, Valeria | | | 1518 | ECU | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Cerezo Najera, Jorge | | | 1834 | ECU | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | XXII Torneo Panamericano de Ajedrez de la Juventud 2011 U-14 Femenino | Cali | COL | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1656 | 3.00 | 5 | 0.39 | 15 | 5.85 | |
|  Moreno Gongora, Rubi | | | 1530 | PER | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Romero, Daniela | | | 1857 | COL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Castillo Walde, Mayra Yamile | | | 1555 | PER | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Munoz, Claudia | | wc | 1801 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Herrera Tafur, Alexandra | | | 1462 | PER | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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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