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Individual Calculations January 2018 |
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| Ceballos, Julio Cesar Total change: 14.60 | |   |
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| IRT Aguinaldo Boyacense Tunja - Liga ajedrez de Boyaca | Tunja | COL | 2017-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 1731 | 0.00 | 2 | -0.33 | 20 | -6.60 | |
|  Obando Guzman, Soren Federico | | | 1989 | COL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Corredor Castellanos, Camilo | f | | 2025 | COL | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | IRT Circuito Medellin Ciudad de Luces Sub 2200 | Medellin | COL | 2017-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 1731 | 2.50 | 4 | 1.06 | 20 | 21.20 | |
|  Lizarazo, Juan Carlos | | | 2000 | COL | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Arboleda Orozco, Juan M | c | | 1997 | COL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Morales Guerrero, Andres Felip | | | 1870 | COL | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Rojas Mendoza, Joun Sun | | | 1513 | COL | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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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