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Individual Calculations January 2015 |
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| Leyva, Hector Total change: 4.20 | |   |
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| Open San Salvador 2014 | San Salvador | ESA | 2014-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2234 | 2336 | 6.00 | 9 | 0.42 | 10 | 4.20 | |
|  Marrero Lopez, Yaniet | | wg | 2283 | CUB | 0.50 | 1 | -0.07 | 10 | -0.70 | |  Reyes Najera, Carlos A. | f | | 2120 | GUA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Palacios, Celina | | | 1936 * | ESA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Zelaya, Porfirio | | | 2192 | ESA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Martinez Duany, Lelys Stanley | g | | 2484 | CUB | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Iturrizaga Bonelli, Eduardo | g | | 2654 | VEN | 0.00 | 1 | -0.13 | 10 | -1.30 | | | Mira, Felix | | | 1993 | ESA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Galvez Dastin, Eduardo | f | | 2156 | GUA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Cu Hor, Winston Darwin | f | | 2285 | GUA | 0.00 | 1 | -0.57 | 10 | -5.70 | | | * 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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