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Individual Calculations September 2012 |
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| Sosa Florez, Luis Felipe Total change: -28.80 | |   |
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| Open IRT de Verano | Bogota | COL | 2012-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 1813 | 0.50 | 4 | -0.96 | 30 | -28.80 | |
|  Piraquive, Alberto | | | 1988 | COL | 0.00 | 1 | -0.27 | 30 | -8.10 | |  Nieto Mancilla, Frank Fernando | | | 1883 | COL | 0.50 | 1 | 0.10 | 30 | 3.00 | | | Buitrago, Bernardo | | | 1854 | COL | 0.00 | 1 | -0.44 | 30 | -13.20 | | | Nieto, Manuel Valerio Waldo | | | 1921 | COL | 0.00 | 1 | -0.35 | 30 | -10.50 | |
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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