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Individual Calculations January 2011 |
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| Villamil, Nahum Jose Total change: 13.50 | |   |
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| Festival Centroamericano y del Caribe 2009. Sub 12 Absoluto | Panama | PAN | 2009-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1800 | 0.00 | 1 | -0.54 | 25 | -13.50 | |
|  Valenzuela Martinez, Hermes | | | 1773 | MEX | 0.00 | 1 | -0.54 | 25 | -13.50 | |
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) | | | | IRT Open Ciudad de Cartago Alcaldia y Empresas Publicas | Cartago | COL | 2010-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 1800 | 1.50 | 5 | 0.57 | 25 | 14.25 | |
|  Garcia, Gildardo | g | | 2200 * | COL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Marin, Sebastian | | | 2200 * | COL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Zabala, Fidel | | | 2092 | COL | 1.00 | 1 | 0.85 | 25 | 21.25 | | | Miranda, Jorge | | | 1935 | COL | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Vargas, Edward Misael | | | 1952 | COL | 0.50 | 1 | 0.20 | 25 | 5.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Festival Centroamericano y del Caribe de la Juventud U-14 Boys | Medellin | COL | 2010-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1800 | 1.50 | 3 | 0.51 | 25 | 12.75 | |
| | Parra, Brayan | | | 1826 | COL | 1.00 | 1 | 0.54 | 25 | 13.50 | | | Del Valle, Juan Pablo | | | 1983 | COL | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Hernandez, Cristian Andres | | | 1979 | COL | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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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