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Individual Calculations September 2011 |
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| Duran Vega, Andres Total change: 25.65 | |   |
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| III Torneo Internacional de San Jose | San Jose | CRC | 2011-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 1978 | 3.00 | 7 | 1.64 | 15 | 24.60 | |
|  Lorenzana, Wilson Estuardo | m | | 2214 | GUA | 1.00 | 1 | 0.80 | 15 | 12.00 | |  Duran Vega, Sergio | | | 2165 | CRC | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Valdes, Leonardo | m | | 2369 | CRC | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Davila, Carlos | m | | 2307 | NCA | 1.00 | 1 | 0.88 | 15 | 13.20 | | | Juarez Flores, Carlos A. | m | | 2340 | GUA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Solano, Agustin | | | 2031 | CRC | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Perez Perez, Osniel | f | | 2263 | CUB | 0.00 | 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) | | | | XXII Torneo Panamericano de Ajedrez de la Juventud 2011 U-16 Absoluto | Cali | COL | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1978 | 3.00 | 6 | 0.07 | 15 | 1.05 | |
| | Leiva, Giuseppe | | | 2135 | PER | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Moncada Russo, Bryan | | | 1772 | ECU | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Bianchi, Augusto | | | 1799 | ARG | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Zavarce, Oscar Enrique | f | | 2231 | VEN | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Barros, Raul Junior | f | | 2127 | COL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Alarcon Careaga, Gustavo | | | 1862 | CHI | 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) | | |
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