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Individual Calculations September 2009 |
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| Vega Cordovilla, Maria Jose Total change: -16.50 | |   |
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| XIV Grand Prix, 6ta. Parada "Fundacion de Guayaquil" | Guayaquil | ECU | 2009-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1894 | 0.00 | 2 | -1.10 | 15 | -16.50 | |
|  Galefski, Eduardo | | | 2104 | CHI | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Vargas, David | | | 1569 | ECU | 0.00 | 1 | -0.87 | 15 | -13.05 | |
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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