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Individual Calculations January 2018 |
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| Perez Arroyave, Damian Total change: 7.60 | |   |
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| IRT Circuito Medellin Ciudad de Luces Sub 2200 | Medellin | COL | 2017-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1850 | 1.00 | 2 | 0.38 | 20 | 7.60 | |
|  Valderrama Castano, Julian Cam | | | 1983 | COL | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Arboleda Orozco, Juan M | c | | 1997 | COL | 0.00 | 1 | -0.30 | 20 | -6.00 | |
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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