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Individual Calculations January 2015 |
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| Guzman, Oswaldo Total change: -20.20 | |   |
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| Open San Salvador 2014 | San Salvador | ESA | 2014-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 2086 | 4.50 | 8 | -1.01 | 20 | -20.20 | |
|  Martinez Duany, Lelys Stanley | g | | 2484 | CUB | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Martinez, Josue | | | 1745 | ESA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Melara, Moises | | | 1699 | ESA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Salas Torres, Pamela | | wc | 1686 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cotto Mux, Hector Vinicio | | | 1901 | GUA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Chavez, Hector Antonio | | | 1886 | ESA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Chavez, Hector Eduardo | | | 2146 | ESA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Leiva, Marlon | | | 1842 | ESA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | * 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) | | |
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