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Individual Calculations January 2013 |
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| Zapata, David Total change: 14.40 | |   |
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| Open Internacional de Ajedrez Ciudad de Trujillo 2012 A | Trujillo | PER | 2012-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2148 | 4.50 | 7 | 0.96 | 15 | 14.40 | |
|  Rojas Menor, Walter Alejandro | | | 2022 | PER | 0.50 | 1 | -0.17 | 15 | -2.55 | |  Saldana Diaz, Juan | | | 2036 | PER | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Ceballos, Diego | | | 2024 | COL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Carbajal, Augusto | | | 2196 | PER | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Contreras, Jose | | | 2182 | PER | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Principe, Gerson | | | 2163 | PER | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Pacheco, Marco | f | | 2399 | PER | 0.50 | 1 | 0.31 | 15 | 4.65 | |
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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