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Individual Calculations September 2011 |
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| Versosa Bravo, Karen Total change: -25.65 | |   |
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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 |
| 1555 | 1764 | 1.00 | 3 | -1.29 | 15 | -19.35 | |
|  Garofolo, Mizraim | | | 1487 | ECU | 0.00 | 1 | -0.83 | 15 | -12.45 | |  Guasumba Cantuna, Leslie | | | 1609 | ECU | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Ruiz, Esteban | | | 1569 | ECU | 0.00 | 1 | -0.75 | 15 | -11.25 | |
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-16 Femenino | Cali | COL | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1779 | 1.50 | 5 | -0.42 | 15 | -6.30 | |
| | Castrillon Gomez, Melissa | | wf | 2071 | COL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Mercado, Luisa Fernanda | | wf | 2043 | COL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Gutierrez Zamora, Isabela | | | 1854 | COL | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Brito, Danya | | | 1783 | ECU | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Bocangel, Marjoire | | | 1626 | PER | 1.00 | 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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