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Individual Calculations July 2011 |
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| Velandia, Oscar Ricardo Total change: 21.75 | |   |
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| IRT Distrital Open de Mayores Mayo | Bogota | COL | 2011-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1825 | 2.00 | 4 | 0.87 | 25 | 21.75 | |
|  Paez, Adolfo | | | 1850 | COL | 1.00 | 1 | 0.53 | 25 | 13.25 | |  Avella Rosas, Luis Eduardo | | | 2015 | COL | 1.00 | 1 | 0.75 | 25 | 18.75 | | | Ruiz C, Joshua Daniel | f | | 2164 | COL | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Salcedo, Jackeline | | wf | 1987 | 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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