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Individual Calculations May 2012 |
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| Casas, Julio Eduardo Total change: 9.30 | |   |
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| Open IRT Liga de Ajedrez de Bogota MARZO | Bogota | COL | 2012-03-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 1999 | 1.50 | 4 | -0.28 | 30 | -8.40 | |
|  Ruiz, Alciguel | f | | 2233 | COL | 0.00 | 1 | -0.21 | 30 | -6.30 | |  Corredor, Castellanos Camilo | | | 1858 | COL | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Ceron, Juan Carlos | | | 2039 | COL | 0.00 | 1 | -0.44 | 30 | -13.20 | | | Acuna Buitrago, Camilo Andres | | | 2045 | COL | 0.50 | 1 | 0.06 | 30 | 1.80 | |
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) | | | | Open Internacional de Semana Santa L.A.B. | Bogota | COL | 2012-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2165 | 1999 | 2.00 | 5 | 0.59 | 30 | 17.70 | |
| | Ruge, Edison | | | 2225 | COL | 1.00 | 1 | 0.79 | 30 | 23.70 | | | Montenegro Torres, Carlos | f | | 2161 | ECU | 0.00 | 1 | -0.29 | 30 | -8.70 | | | Montenegro, Juan Rolando | | | 2127 | COL | 1.00 | 1 | 0.67 | 30 | 20.10 | | | Cifuentes, John Jairo | c | | 2114 | COL | 0.00 | 1 | -0.34 | 30 | -10.20 | | | Jimenez, Jose Mauricio | | | 2197 | COL | 0.00 | 1 | -0.24 | 30 | -7.20 | |
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) | | |
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