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Individual Calculations January 2010 |
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| Carrillo, Custodio Total change: 0.25 | |   |
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| IRT Open Internacional Navideno Ciudad de Bogota | Bogota Colombia | COL | 2009-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2031 | 1881 | 1.00 | 3 | 0.01 | 25 | 0.25 | |
|  Gomez Calderon, Valentina | | | 1732 | COL | 1.00 | 1 | 0.30 | 25 | 7.50 | |  Gomez, Dario G | | | 2163 | COL | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Contreras, Henry | f | | 2198 | COL | 0.00 | 1 | -0.13 | 25 | -3.25 | |
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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