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Individual Calculations May 2015 |
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| Porras Chavarria, Steve Total change: 68.80 | |   |
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| VI Torneo Internacional de Alajuela 2015 | Alajuela | CRC | 2015-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 1669 | 3.00 | 7 | 1.72 | 40 | 68.80 | |
|  Blandon, Jaime | | | 1911 | ESA | 1.00 | 1 | 0.80 | 40 | 32.00 | |  Ramirez Gonzalez, Maria Jose | | | 1843 | CRC | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Juarez Flores, Carlos A. | m | | 2069 * | GUA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Solis L., Efren A. | | | 2069 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Juarez Flores, Gustavo E. | f | | 2069 * | GUA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Murillo Gonzalez, Carlos E | c | | 1859 | CRC | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Figueroa, Julissa | | wc | 1804 | GUA | 1.00 | 1 | 0.68 | 40 | 27.20 | | | * 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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