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Individual Calculations April 2009 |
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| Hoyos, Efrain Total change: -1.25 | |   |
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| Torneo departamental Abierto de apertura ANT | Medellin | COL | 2009-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 1962 | 0.50 | 2 | -0.05 | 25 | -1.25 | |
|  Laverde, Luis Eduardo | | | 2131 | COL | 0.50 | 1 | 0.22 | 25 | 5.50 | |  Aponte Castillo, Jose Ernesto | | | 2137 | COL | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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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