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Individual Calculations January 2012 |
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| Portnoy Cruz, Ivan Adolfo Total change: -6.15 | |   |
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| Campeonato Nacional por Equipos Absoluto 2011 | Medellin | COL | 2011-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2098 | 2.00 | 3 | 0.06 | 15 | 0.90 | |
|  Posada, Juan Manuel | f | | 2009 | COL | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Botello, Gregory Paul | | | 2028 | COL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Benavides Moncayo, Olga | | | 1935 | COL | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | | | I Torneo Abierto Internacional de Ajedrez IRT LA PERLA DEL SINU | Monteria | COL | 2011-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2308 | 2098 | 0.00 | 2 | -0.47 | 15 | -7.05 | |
|  Mendoza, Rafael | f | | 2338 | COL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Tovio, Israel | f | | 2277 | COL | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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