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Individual Calculations May 2015 |
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| Duran Vega, Sergio Total change: -25.60 | |   |
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| VI Torneo Internacional de Alajuela 2015 | Alajuela | CRC | 2015-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 2302 | 5.00 | 8 | -1.28 | 20 | -25.60 | |
|  Herrera Ortega, German Alejandro | c | | 2055 | VEN | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Georgiev, Vladimir | g | | 2542 | MKD | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Rivera Gonzalez, Jose Alexis | | | 1902 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Carranza Fernandez, Jorge | | | 1902 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Madrigal, Ana Daniela | | wf | 2017 | NCA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Medrano, Randall | f | | 2108 | NCA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Murillo Gonzalez, Carlos E | c | | 1902 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Villalobos Venegas, Daniel | | | 1902 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | |
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