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Individual Calculations January 2013 |
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| Piraquive, Alberto Total change: -26.10 | |   |
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| IRT Campeonato Bolivariano de Ajedrez 2012 | Bogota | COL | 2012-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1972 | 3.00 | 8 | -1.63 | 15 | -24.45 | |
|  Pulido Ardila, Lilian Vanessa | | | 1717 | COL | 0.00 | 1 | -0.81 | 15 | -12.15 | |  Pena Mora, Carlos | | | 1691 | COL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Sierra, Edwin Andres | | | 2142 | COL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Barrientos, Sergio E | g | | 2372 * | COL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Univio Sanchez, German | | | 2053 | COL | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Aldana, Boris Eugenio | | | 1636 | COL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Rosero, Hugo Alberto | | | 1649 | COL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Vargas, Mauricio | | | 1987 | COL | 0.00 | 1 | -0.48 | 15 | -7.20 | | | * 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) | | | | III ITT JAHV McGREGOR | Bogota | COL | 2012-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 1972 | 1.50 | 4 | -0.11 | 15 | -1.65 | |
| | Leon Magallanes, Isaac | | | 2096 | ECU | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Moreno Lozano, Esteban | | | 1626 | COL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Garavito, Miguel Angel | | | 2249 | COL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Munoz, Julian Andres | | | 2191 | COL | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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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