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Individual Calculations September 2012 |
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| Buitrago, Bernardo Total change: 16.50 | |   |
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| Open IRT de Verano | Bogota | COL | 2012-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1854 | 2.50 | 4 | 0.55 | 30 | 16.50 | |
|  Valle, Efrain | c | | 2160 | COL | 0.50 | 1 | 0.36 | 30 | 10.80 | | | Sosa Florez, Luis Felipe | | | 1813 | COL | 1.00 | 1 | 0.44 | 30 | 13.20 | |  Rosero, Hugo Alberto | | | 1617 | COL | 1.00 | 1 | 0.20 | 30 | 6.00 | | | Prado, Leonardo | | | 1889 | COL | 0.00 | 1 | -0.45 | 30 | -13.50 | |
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) | | |
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