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Individual Calculations May 2012 |
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| Posada, Juan Manuel Total change: -3.75 | |   |
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| Zonal Sub16 Absoluto IRT Zona Occidente 2012 | Medellin | COL | 2012-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1840 | 2016 | 4.00 | 5 | 0.45 | 15 | 6.75 | |
|  Llano Buritica, Eduardo | | | 1616 * | COL | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Salcedo, Pablo Esteban | | | 1758 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Loaiza, Yurani | | | 1902 | COL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Zapata Arbelaez, Estiven | | | 1958 | COL | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Blandon, Luis Guillermo | | | 1964 | COL | 1.00 | 1 | 0.43 | 15 | 6.45 | | | * 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) | | | | Zonal Sub-18 Absoluto Zona Occidente 2012 | Armenia | COL | 2012-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 2016 | 0.50 | 3 | -0.70 | 15 | -10.50 | |
| | Ruiz C, Joshua D | f | | 2178 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Valencia, Cristian Johan | | | 1936 | COL | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Blandon Villa, Diego F | | | 2163 | COL | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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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