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Individual Calculations May 2012 |
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| Medina, Andres Felipe Total change: 12.30 | |   |
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| IRT Festival Nacional Ajedrez Escolar Sub17 Absoluto | Cali | COL | 2012-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1882 | 2.50 | 3 | 0.92 | 30 | 27.60 | |
|  Moreno, Jhon Jairo | | | 1782 | COL | 1.00 | 1 | 0.36 | 30 | 10.80 | | | Mayorquin, Nicolas | | | 1897 | COL | 0.50 | 1 | 0.02 | 30 | 0.60 | |  Moreno Lozano, David | | | 1910 | COL | 1.00 | 1 | 0.54 | 30 | 16.20 | |
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 Torneo Zonal Sub-16 Absoluto Zona Sur 2012 | Florencia | COL | 2012-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1882 | 1.50 | 4 | -0.51 | 30 | -15.30 | |
| | Munoz Romero, Cristian Camilo | | | 1948 | COL | 1.00 | 1 | 0.59 | 30 | 17.70 | | | Parra, Brayan | | | 1794 | COL | 0.00 | 1 | -0.62 | 30 | -18.60 | | | Hernandez, Cristian Andres | | | 2116 | COL | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Arismendi, Efrain Steven | | | 1668 | COL | 0.50 | 1 | -0.27 | 30 | -8.10 | |
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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