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Individual Calculations September 2012 |
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| Ccahua, Alexander Total change: 6.45 | |   |
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| XXIII Festival Panamericano de Ajedrez de la Juventud Open Sub 18 | Lima | PER | 2012-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1758 | 2.00 | 7 | 0.43 | 15 | 6.45 | |
|  Hinson, Miles | | | 2023 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Kina, , Caio Garcia | | | 1888 | BRA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Martinez Sanchez, David R | | | 1937 | PER | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Ramos Libon, Jean Piere | | | 1901 | PER | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Benavente Vazquez, Juan Jose | | | 2091 | MEX | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Jarrin Cobos, Jose | | | 2044 | ECU | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Torres, Fernando | | | 1990 | ARG | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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