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Individual Calculations July 2017 |
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| Zapata, Alonso Total change: 18.30 | |   |
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| XII Campeonato de Ajedrez Continental de las Americas Colombia 2017 | Medellin | COL | 2017-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2399 | 2420 | 7.50 | 11 | 1.83 | 10 | 18.30 | |
|  Cordero, Daniela | | wm | 2020 * | BOL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Posada, Juan Manuel | f | | 2153 | COL | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Cifuentes, John Jairo | m | | 2266 | COL | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Ortiz Suarez, Isan Reynaldo | g | | 2570 | CUB | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Cortes Orihuela, Javier | f | | 2235 | CHI | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Erenburg, Sergey | g | | 2550 | USA | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Mekhitarian, Krikor Sevag | g | | 2542 | BRA | 1.00 | 1 | 0.67 | 10 | 6.70 | | | Vera Siguenas, Deivy | m | | 2526 | PER | 1.00 | 1 | 0.64 | 10 | 6.40 | | | Delgado Ramirez, Neuris | g | | 2613 | PAR | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Bruzon Batista, Lazaro | g | | 2650 | CUB | 0.00 | 1 | -0.21 | 10 | -2.10 | | | Hernandez, Cristian Andres | m | | 2259 | COL | 1.00 | 1 | 0.29 | 10 | 2.90 | | | * 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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