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Individual Calculations September 2010 |
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| Cupaban, Sergio Alejandro Total change: -38.00 | |   |
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| Torneo IRT Internacional de Ajedrez Charala | Charala | COL | 2010-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 2041 | 1.00 | 5 | -1.93 | 25 | -48.25 | |
|  Garcia, Gildardo | g | | 2389 | COL | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Carreno A, Jhonatan Roberto | | | 1690 | COL | 0.00 | 1 | -0.89 | 25 | -22.25 | | | Velez Alvarez, Laura Camila | | | 1649 | COL | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Peinado, Giovanny | | | 2220 | COL | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Castillo, Arcenover | | | 1854 | COL | 0.00 | 1 | -0.74 | 25 | -18.50 | |
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 Open Internacional Universitario por equipos 2010 | Bogota | COL | 2010-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2041 | 2.00 | 3 | 0.41 | 25 | 10.25 | |
| | Jimenez, Luis Felipe | | | 1999 | COL | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Moreno, David | | | 1961 | COL | 0.00 | 1 | -0.61 | 25 | -15.25 | | | Ruiz C, Joshua D | f | | 2096 | COL | 1.00 | 1 | 0.58 | 25 | 14.50 | |
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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