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Individual Calculations October 2008 |
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| Arrata Peralta, Pedro Total change: -19.65 | |   |
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| FEDA 151 | Guayaquil | ECU | 2008-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 2114 | 4.00 | 7 | -0.49 | 15 | -7.35 | |
|  Wong Coronel, Erick | | | 2149 | ECU | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Mejia Moreira, Wilson | | | 1994 | ECU | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Quijano, Christian | | | 2058 | ECU | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Ponce Parrales, Netzar Rolan | | | 2079 | ECU | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Calderon, Oliver | | | 1992 | ECU | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Barahona, Mario | | | 1849 | ECU | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Nevarez Cevallos, Ever | | | 1909 | ECU | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | XIII Grand Prix - Cuarta Parada , Cat. U 2200 | Riobamba | ECU | 2008-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 2114 | 3.50 | 7 | -0.82 | 15 | -12.30 | |
| | Villacres Jimenez, Dennis | | | 2044 | ECU | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Munoz Rodriguez, Pablo | | | 2049 | ECU | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Salazar Loor, Sara | | | 1899 | ECU | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Diaz, Jose Luis | | | 2013 | ECU | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Palma, Alvaro | | | 2074 | ECU | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Barreno Mora, Maria | | | 2004 | ECU | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Chavez Yanchapaxi, Eduardo | | | 2110 | ECU | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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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