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Individual Calculations May 2019 |
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| Lopez Ramirez, David Santiago Total change: -16.00 | |   |
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| Campeonato Nacional de Ajedrez Amateur 2019 Absoluto Categoria Sub2000 | Pereira | COL | 2019-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1931 | 5.00 | 8 | 0.28 | 40 | 11.20 | |
|  Lizarazo, Doris Liliana | | | 1800 | COL | 1.00 | 1 | 0.32 | 40 | 12.80 | |  Jaimes Caceres, Fredy Alexander | | | 1863 | COL | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Mesa, Francisco Alonso Jr. | | | 1837 | COL | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Casas Cobos, Julio Eduardo | | | 1883 | COL | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Barrios, Bernardo | | | 1888 | COL | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Anzola, Apolinar | | | 1897 | COL | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Arias, Juan Carlos | | | 1913 | COL | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Moncada Correa, Sara | | | 1849 | COL | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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) | | | | Semifinal 1 Categoria Sub-14 Absoluto 2019 | Ibague | COL | 2019-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1531 | 1931 | 3.00 | 4 | -0.68 | 40 | -27.20 | |
| | Hincapie Uribe, Eduardo | | | 1531 * | COL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mogollon Tobar, Nicolle Julieth | | wc | 1531 * | COL | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Campos Perilla, Felix Santiago | | | 1531 * | COL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ducuara Alape, Ronaldo | | | 1531 * | COL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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