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Individual Calculations September 2009 |
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| Villegas Reyes, Maria Total change: 6.75 | |   |
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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 |
| 1944 | 1761 | 2.00 | 5 | 0.45 | 15 | 6.75 | |
|  Medina, Miguel | | | 2161 * | ECU | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Romero Echeverria, Abigail | | | 2049 | ECU | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Arguello Vinueza, Bertha | | | 1701 | ECU | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Saltos Velez, Adrian | | | 2150 | ECU | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Rosales Murillo, Cristina | | | 1658 | ECU | 1.00 | 1 | 0.36 | 15 | 5.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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