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Individual Calculations January 2020 |
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| Zapata Chura, Joaquin Ignacio Total change: -31.60 | |   |
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| VI TORNEO INTERNACIONAL DE AJEDREZ CIUDAD DE ARICA 2019 | Arica | CHI | 2019-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1103 | 1.00 | 7 | -0.79 | 40 | -31.60 | |
|  Lopez Herrera, Piero | | | 1503 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Rocca Torres, Jose | | | 1503 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Venegas Loezar, Joaquin Omar | | | 1478 | CHI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Lagos Villalobos, Alexander | | | 1299 | CHI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Ivanovic Vallejos, Juan Pablo | | | 1175 | CHI | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Challapa Tarque, Giordanny Javier | | | 1212 | CHI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Lopez Vivanco, Gregorio | | | 1077 | CHI | 0.00 | 1 | -0.54 | 40 | -21.60 | | | * 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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