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Individual Calculations June 2015 |
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| Ospina Ortiz, Oscar Alexander Total change: 21.20 | |   |
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| IRT Open 77 Distrital Mayores Absoluto | Bogota | COL | 2015-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 1932 | 2.50 | 4 | 1.06 | 20 | 21.20 | |
|  Gomez Leon, Sebastian | | | 1600 | COL | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Garcia, Alvaro | f | | 2184 | COL | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Ruiz Aguilar, Pablo Alexander | f | | 2297 | COL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Dominguez Rincon, Miller | c | | 2105 | COL | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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