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Individual Calculations September 2012 |
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| Mena, Ailen Oriana Total change: 22.20 | |   |
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| XXIII Festival Panamericano de Ajedrez de la Juventud Femenino Sub 14 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1558 | 2.00 | 4 | 0.74 | 30 | 22.20 | |
|  Benites Narcizo, Wilma Flo | | | 1729 | PER | 0.00 | 1 | -0.27 | 30 | -8.10 | |  Alarcon Morales, Alicia | | | 1529 | MEX | 1.00 | 1 | 0.46 | 30 | 13.80 | | | Fiesco, Valentina | | | 1938 | COL | 0.50 | 1 | 0.41 | 30 | 12.30 | | | Castillo Walde, Mayra Yamile | | | 1662 | PER | 0.50 | 1 | 0.14 | 30 | 4.20 | |
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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