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Individual Calculations May 2011 |
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| Villarroel, Sofia Total change: -31.75 | |   |
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| XV Grand Prix 6ta. Parada 2010 U-2100 | Quevedo | ECU | 2010-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1513 | 1357 | 0.00 | 1 | -0.29 | 25 | -7.25 | |
|  Tipan, Carolina | | | 1513 | ECU | 0.00 | 1 | -0.29 | 25 | -7.25 | |
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) | | | | XV Grand Prix Nacional 7ma. Parada 2010 CategorÃa U-2100 | Santo Domingo | ECU | 2010-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1585 | 1357 | 0.00 | 2 | -0.43 | 25 | -10.75 | |
|  Pino, Maria | | | 1569 | ECU | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Valencia, Andres | | | 1600 | ECU | 0.00 | 1 | -0.20 | 25 | -5.00 | |
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) | | | | CAMPEONATO NACIONAL DE AJEDREZ CATEGORIA U-15 FEMENINA 2011 | Guayaquil | ECU | 2011-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1442 | 1357 | 1.00 | 4 | -0.55 | 25 | -13.75 | |
| | Bermudez Veliz, Josselyn | | | 1532 | ECU | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Arias Cango, Nathaly | | | 1521 | ECU | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Guerrero, Rosa | | | 1448 | ECU | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Vasquez Veloz, Briggite | | | 1267 | ECU | 0.00 | 1 | -0.62 | 25 | -15.50 | |
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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