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Individual Calculations January 2013 |
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| Aldana, Boris Eugenio Total change: -27.00 | |   |
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| IRT Campeonato Bolivariano de Ajedrez 2012 | Bogota | COL | 2012-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1636 | 0.00 | 5 | -1.24 | 30 | -37.20 | |
|  Guerrero, Hernando | | | 1919 | COL | 0.00 | 1 | -0.16 | 30 | -4.80 | |  Corredor Castellanos, Camilo Jose | | | 1857 | COL | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Acosta, Jaime | | | 1710 | COL | 0.00 | 1 | -0.40 | 30 | -12.00 | | | Piraquive, Alberto | | | 1972 | COL | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Velez Alvarez, Laura Camila | | | 1754 | COL | 0.00 | 1 | -0.34 | 30 | -10.20 | |
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) | | | | III ITT JAHV McGREGOR | Bogota | COL | 2012-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1636 | 1.00 | 4 | 0.34 | 30 | 10.20 | |
| | Abril, Mauricio | | | 1975 | COL | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Hengles, Roberto Carlos | | | 1898 | BRA | 0.00 | 1 | -0.18 | 30 | -5.40 | | | Garcia Engels, Vladimir | | | 1826 | COL | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Tirado, Juan Camilo | | | 1985 | COL | 1.00 | 1 | 0.89 | 30 | 26.70 | |
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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