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Individual Calculations September 2012 |
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| Parkhurst Casas, Miriam Total change: -22.35 | |   |
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| Campeonato Nacional Sub 20 Femenil 2012 | MEXICO DF | MEX | 2012-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1734 | 0.00 | 2 | -0.88 | 15 | -13.20 | |
|  Hurtado Romero, Karen Zayd | | | 1715 | MEX | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Fuentes Godoy, Lilia Ivonn | | | 1845 | MEX | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | XXIII Festival Panamericano de Ajedrez de la Juventud Femenino Sub 16 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1734 | 3.00 | 7 | -0.61 | 15 | -9.15 | |
|  Mercado, Luisa Fernanda | | wf | 2058 | COL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Alcantara Pozo, Priscila Tatiana | | | 1553 | PER | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Rincon Gonzalez, Rosemary | | | 1838 | VEN | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Alarcon Morales, Elvira | | | 1800 | MEX | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Brizzi, Milagros Tatiana | | | 1837 | ARG | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Herrera Tafur, Alexandra | | | 1447 | PER | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Cahuana, Vivian | | | 1527 | PER | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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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