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Individual Calculations January 2011 |
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| Lopez Idarraga, Daniel Eduardo Total change: 8.70 | |   |
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| IRT Open Ciudad de Cartago Alcaldia y Empresas Publicas | Cartago | COL | 2010-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2162 | 1997 | 1.00 | 3 | 0.06 | 15 | 0.90 | |
|  Vittorino, Carlo Giovanni | f | | 2306 | COL | 0.50 | 1 | 0.36 | 15 | 5.40 | |  Espinosa, Julio Manuel | f | | 2300 | COL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Sierra, Juan Mauricio | | | 1881 | COL | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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 Panamericano Continental Absoluto 2010 | Cali | COL | 2010-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 1997 | 4.00 | 9 | 1.27 | 15 | 19.05 | |
| | Garavito, Miguel Angel | | | 2253 | COL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Cuellar, Diego | f | | 2134 | PER | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Heredia Serrano, Carla | | wm | 2082 | ECU | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Fandino Reyes, Roquelina | | wm | 2177 | CUB | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Herrera, Juan Sebastian | | | 2125 | COL | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Condori, Edwin | | | 2171 | PER | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Vacca, Leonardo | | | 2043 | COL | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Saladen, Rafael | f | | 2195 | COL | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Salazar, Aura Cristina | | wf | 2150 | COL | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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) | | | | JAVH McGregor de Ajedrez ITT | Bogota | COL | 2010-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2138 | 1997 | 0.50 | 4 | -0.75 | 15 | -11.25 | |
| | Duran Vega, Sergio | | | 2153 | CRC | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Silva, Enmanuel | | | 2118 | COL | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Alvarez, Amaury | | | 2131 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Salazar, Aura Cristina | | wf | 2150 | COL | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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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