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Individual Calculations January 2020 |
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| Solis L., Efren A. Total change: -7.60 | |   |
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| III Open Ciudad de Liberia 2019 | Liberia | CRC | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1948 | 3.50 | 6 | -0.38 | 20 | -7.60 | |
|  Lacayo Kirov, Esther | | | 1548 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Murillo Tsijli, Alexis | m | | 2290 | CRC | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Quiros Cajina, Allan | | | 1563 | CRC | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Davila, Carlos | m | | 2208 | NCA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Pastor Carvajal, Jeigoth | | | 1676 | CRC | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Huaman Bengoa, Valeska Priscilla | | | 1548 * | 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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