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Individual Calculations January 2010 |
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| De Arco, Luis Carlos Total change: 3.15 | |   |
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| Juegos Nacionales Universitarios Ajedrez Absoluto | Pereira (Colombia) | COL | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 2214 | 2.00 | 3 | -0.27 | 15 | -4.05 | |
|  Vargas, Mauricio | | | 1963 | COL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Lombana, Juan Camilo | | | 2009 | COL | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Otalora, Carlos Eduardo | | | 2064 | COL | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | IRT Camp Nacional Sub18 Absoluto | Medellin (Colombia) | COL | 2009-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2058 | 2214 | 6.00 | 8 | 0.48 | 15 | 7.20 | |
| | Navarro, Jhon Fredy | | | 1814 * | COL | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Juez, Jose Yesid | | | 2043 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Blandon Villa, Diego F | | | 2061 | COL | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Torres, Juan Camilo | | | 2204 | COL | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Rios, Cristhian Camilo | f | | 2225 | COL | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Barros, Raul Junior | f | | 2078 | COL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Guelgua, Alvaro | | | 2004 | COL | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Moran, Daniel Stiven | | | 2035 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | * 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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