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Individual Calculations July 2009 |
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| Villegas Reyes, Maria Total change: 33.25 | |   |
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| XIV Grand Prix, 3era. Parada | Guayaquil | ECU | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1728 | 2.00 | 5 | 1.09 | 25 | 27.25 | |
|  Ramon, Sergio | | | 2078 | CUB | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Gaibor Torres, Alejandro | | | 1978 | ECU | 0.50 | 1 | 0.31 | 25 | 7.75 | |  Hallon Rodriguez, Jose | | | 2000 | ECU | 1.00 | 1 | 0.83 | 25 | 20.75 | | | Chiluisa Fuertes, Mario | | | 2041 | ECU | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Ricaurte Macancela, Juan Carlos | | | 1880 | ECU | 0.50 | 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 Femenino U-13 | Portoviejo | ECU | 2009-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1728 | 2.50 | 4 | 0.24 | 25 | 6.00 | |
| | Villafuerte, Angie | | | 1693 | ECU | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Rosales Murillo, Cristina | | | 1649 | ECU | 0.50 | 1 | -0.11 | 25 | -2.75 | | | Diaz Alarcon, Maria | | | 1682 | ECU | 0.00 | 1 | -0.56 | 25 | -14.00 | | | Herrera, Kerly | | | 1696 | ECU | 1.00 | 1 | 0.46 | 25 | 11.50 | |
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) | | | | XIV Grand Prix, 5ta. Parada | Guayaquil | ECU | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 1728 | 0.50 | 3 | 0.00 | 25 | 0.00 | |
| | Sanes, Vladimir | | | 2078 | PER | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Chang Suarez, Andres | | | 2078 | ECU | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Salazar Loor, Sara | | | 1891 | ECU | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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) | | |
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