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Individual Calculations April 2008 |
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| Arrata Peralta, Pedro Total change: -4.35 | |   |
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| XII Grand Prix, 6ta. Parada U-2200 | Portoviejo | ECU | 2007-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 2109 | 6.00 | 7 | 1.77 | 15 | 26.55 | |
|  Landy, Pamela | | | 1865 | ECU | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Saltos, Adrian | | | 1955 | ECU | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Sanchez Caicedo, Alfonso | | | 2037 | ECU | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Gonzalez Moreira, Milton | | | 2055 | ECU | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Almeida Criollo, Jefferson | | | 2081 | ECU | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Camacho Penate, G. | | | 2188 | CUB | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Quijano, Christian | | | 2030 | ECU | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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) | | | | XII Grand Prix, 7ma. Parada U-2200 | Guayaquil | ECU | 2007-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 2109 | 3.50 | 6 | -0.05 | 15 | -0.75 | |
| | Canepa, Edwin | | | 2004 | ECU | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Almeida Criollo, Jefferson | | | 2081 | ECU | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Del Castilho, Martyn | | | 2103 | BAR | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Crespo Alvarado, Vicente | | | 2003 | ECU | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Quijano, Christian | | | 2030 | ECU | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Palacios Zambrano, Victor | | | 2029 | ECU | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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) | | | | XII Grand Prix, 8ava. Etapa U-2200 | Guayaquil | ECU | 2007-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2109 | 0.00 | 1 | -0.66 | 15 | -9.90 | |
| | Munoz, Pablo | | | 1993 | ECU | 0.00 | 1 | -0.66 | 15 | -9.90 | |
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) | | | | XII Grand Prix, 10ma. Parada U-2200 | Guayaquil | ECU | 2007-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2118 | 1.00 | 5 | -1.35 | 15 | -20.25 | |
| | Montenegro Torres, Carlos | f | | 2189 | ECU | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Orellana Zuniga, Pedro | | | 2098 | ECU | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Camacho Penate, G. | | | 2197 | CUB | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Palma, Alvaro | | | 2035 | ECU | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Chang Suarez, Emerson | | | 2176 | ECU | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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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