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Individual Calculations July 2013 |
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| Arismendi Polanco, Efrain Stev Total change: 0.90 | |   |
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| Final Campeonato Nacional Sub-18 Absoluto 2013 | Florencia | COL | 2013-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 1800 | 1.00 | 4 | -0.46 | 15 | -6.90 | |
|  Hernandez Sanchez, Jairo Andre | f | | 2200 * | COL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Zapata Arbelaez, Estiven | | | 1979 | COL | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Salamanca, Juan David | | | 1559 | COL | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Munoz Romero, Cristian Camilo | | | 1942 | COL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | * 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) | | | | IRT III Open Internacional Ciudad Ortega 2013 | Ortega | COL | 2013-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 1804 | 1.50 | 5 | 0.52 | 15 | 7.80 | |
| | Franco Valencia, Beatriz I | | wm | 2161 | COL | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Prieto, Ernesto | | | 2128 | COL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Perez, Laura | | wf | 1975 | COL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Torres, Jorge Emilio | | | 2008 | COL | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Salcedo, Diana | | wf | 2014 | COL | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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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