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Individual Calculations December 2018 |
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| Oporto Vargas, Estefany Adriana Total change: 54.00 | |   |
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| Copa Ciudad de Arequipa IRT Pre Continental Sur | Arequipa | PER | 2018-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1257 | 1328 | 2.50 | 3 | 0.75 | 40 | 30.00 | |
|  Soto Catare, Yanay David | | | 1467 | PER | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Ajahuana Medina, Darien Giambert | | | 1046 | PER | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Vasquez Vasquez, Christopher Will | | | 1257 | PER | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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) | | | | Gran IRT "Copa Club Internacional Arequipa" | Arequipa | PER | 2018-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1623 | 1328 | 1.50 | 5 | 0.60 | 40 | 24.00 | |
| | Conde Escobar, Phol | | | 1728 * | PER | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Chavez Barriga, Jefferson | | | 1728 * | PER | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Flores, Guillermo | | | 1728 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cuadros Quispe, Danae Yadira | | | 1341 | PER | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Sumaria Choqueluque, Alessandro | | | 1591 | PER | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * 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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