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Individual Calculations January 2011 |
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| Sierra, Juan Mauricio Total change: 21.25 | |   |
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| IRT Open Ciudad de Cartago Alcaldia y Empresas Publicas | Cartago | COL | 2010-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 1881 | 2.00 | 4 | 0.85 | 25 | 21.25 | |
|  Espinosa, Julio Manuel | f | | 2281 * | COL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Lopez Idarraga, Daniel Eduardo | | | 1997 | COL | 0.50 | 1 | 0.16 | 25 | 4.00 | |  Jaramillo, Carlos Orlando | | | 1961 | COL | 1.00 | 1 | 0.61 | 25 | 15.25 | | | Ospina Loaiza, Jhonny | | | 2002 | COL | 0.50 | 1 | 0.16 | 25 | 4.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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