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Individual Calculations January 2011 |
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| Diaz Herrera, Leider Andres Total change: -3.30 | |   |
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| JAVH McGregor de Ajedrez ITT | Bogota | COL | 2010-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 1952 | 0.00 | 2 | -0.52 | 15 | -7.80 | |
|  Arenas, David | m | | 2352 * | COL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Angel, Antonio | | | 1994 | COL | 0.00 | 1 | -0.44 | 15 | -6.60 | | | * 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-12 Boys | Medellin | COL | 2010-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1881 | 1952 | 1.50 | 2 | 0.30 | 15 | 4.50 | |
| | Jimenez, Leonardo Andres | | | 1889 | COL | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Ospina Escobar, Juan Pablo | | | 1872 | COL | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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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