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Individual Calculations December 2019 |
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| Merma, Isaias Total change: -33.00 | |   |
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| IV Torneo IRT CLUB DE AJEDREZ WANKA | Huancayo | PER | 2019-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1648 | 1.00 | 3 | -1.65 | 20 | -33.00 | |
|  Villafranca Solis, Cantuta Azucen | | | 1248 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Trinidad Gonzales, Aaron Ulises | | | 1401 | PER | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Caso Huaccho, Jorge Armando | | | 1248 * | PER | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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