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Individual Calculations December 2018 |
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| Palacios, Efrain Total change: -9.20 | |   |
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| IRT Pre Continental Lima Metropolitana Grupo A | Lima | PER | 2018-09-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2087 | 2.50 | 4 | 0.16 | 20 | 3.20 | |
|  Pena Morales, Hugo | | | 2238 | PER | 0.50 | 1 | 0.20 | 20 | 4.00 | |  Garcia Toledo, Pedro | | | 1969 | PER | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Arauco Celestino, Arianna Sofia | | wf | 1687 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Donayre, Bertin | | | 2118 | PER | 0.50 | 1 | 0.04 | 20 | 0.80 | | | * 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) | | | | IRT Pre Continental Lima Metropolitana Final | Lima | PER | 2018-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 2087 | 1.00 | 2 | -0.62 | 20 | -12.40 | |
| | Quispe Limo, Josue Arnaldo | | | 1761 | PER | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Ccerhuayo Escobedo, Mels Leopold | | | 1892 | PER | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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) | | |
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