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Individual Calculations January 2012 |
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| Posada, Juan Manuel Total change: 21.30 | |   |
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| Campeonato Nacional por Equipos Absoluto 2011 | Medellin | COL | 2011-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 2009 | 2.50 | 3 | 1.21 | 15 | 18.15 | |
|  Portnoy Cruz, Ivan Adolfo | | | 2098 | COL | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Franco Valencia, Beatriz I | | wf | 2216 | COL | 0.50 | 1 | 0.27 | 15 | 4.05 | |  Mendez, Wilford | | | 1873 | COL | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | II JAHV McGregor de Ajedrez ITT | Bogota | COL | 2011-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2009 | 3.50 | 6 | 0.21 | 15 | 3.15 | |
| | Ramirez, Alejandro | g | | 2409 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Nunez V, Daniel Fernando | | | 2212 | COL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Rubio Melo, Hugo Arturo | | | 1807 | COL | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Ortegon Villacorte, Daniela | | | 1800 | COL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Iafrancesco, Esteban | | | 1833 | COL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Paniagua, David | | | 1855 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | * 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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