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Individual Calculations January 2009 |
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| Silva, Jorge Total change: -32.25 | |   |
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| IRT Nacional Inter-Empresas 2008 | Bogota | COL | 2008-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 2027 | 1.00 | 3 | -0.40 | 25 | -10.00 | |
|  Martinez, Martin | | | 2027 | COL | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Orozco, Lina Yomayra | | | 2097 | COL | 0.00 | 1 | -0.40 | 25 | -10.00 | |  Guerrero, Hernando | | | 2027 | COL | 1.00 | 1 | 0.50 | 25 | 12.50 | |
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 Open Internacional U Central | Bogota | COL | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2027 | 1.00 | 5 | -0.89 | 25 | -22.25 | |
| | Diaz, Jaime Walter | | | 2246 | COL | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Becerra, Juan David | | | 2142 | COL | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Garcia, Martha L | | | 2000 | COL | 0.00 | 1 | -0.54 | 25 | -13.50 | | | Ramirez, Heimy Polgar | | | 2027 | COL | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Almanza, Rafael Andres | | | 2187 | COL | 0.00 | 1 | -0.29 | 25 | -7.25 | |
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) | | |
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