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Individual Calculations March 2011 |
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| Ospina Ortiz, Oscar Alexander Total change: 1.65 | |   |
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| IRT Distrital Open Mayores | Bogota | COL | 2011-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 1993 | 1.00 | 3 | 0.11 | 15 | 1.65 | |
|  Ramirez Daza, Diego | | | 2183 | COL | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Quintero, Raul | | | 2091 | COL | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Ruiz, Alciguel | f | | 2170 | COL | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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