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Individual Calculations January 2011 |
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| Hoyos, Efrain Total change: -29.50 | |   |
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| Torneo Nacional IRT Abierto de la Raza Menor 2100 Elo | Medellin | COL | 2010-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1957 | 0.00 | 1 | -0.37 | 25 | -9.25 | |
|  Cadena M, Gustavo Adolfo | | | 2051 | COL | 0.00 | 1 | -0.37 | 25 | -9.25 | |
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) | | | | JAVH McGregor de Ajedrez ITT | Bogota | COL | 2010-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 1957 | 0.00 | 3 | -0.81 | 25 | -20.25 | |
| | Gonzalez, Omar | f | | 2194 | COL | 0.00 | 1 | -0.20 | 25 | -5.00 | |  Rendon, Daniel | | | 2110 | COL | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Garcia Benavides, Omar | | | 2098 | PER | 0.00 | 1 | -0.31 | 25 | -7.75 | |
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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