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Individual Calculations January 2011 |
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| Zabala, Fidel Total change: -52.50 | |   |
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| IRT Open Ciudad de Cartago Alcaldia y Empresas Publicas | Cartago | COL | 2010-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 2092 | 0.00 | 2 | -1.59 | 15 | -23.85 | |
|  Perez Arroyave, Damian | | | 1908 | COL | 0.00 | 1 | -0.74 | 15 | -11.10 | |  Villamil, Nahum Jose | | | 1800 | COL | 0.00 | 1 | -0.85 | 15 | -12.75 | |
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) | | | | Torneo Nacional IRT Abierto de la Raza Menor 2100 Elo | Medellin | COL | 2010-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2092 | 1.00 | 3 | -0.99 | 15 | -14.85 | |
| | Suasnabar, Jesus | | | 1967 | COL | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Vacca, Leonardo | | | 2043 | COL | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Loaiza, Yurani | | | 1899 | COL | 0.00 | 1 | -0.75 | 15 | -11.25 | |
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) | | | | JAVH McGregor de Ajedrez ITT | Bogota | COL | 2010-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2092 | 0.00 | 2 | -0.92 | 15 | -13.80 | |
| | Gallego Alcaraz, Andres Felipe | | | 2389 | COL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Bejarano U, Danny Andres | | | 1879 | COL | 0.00 | 1 | -0.77 | 15 | -11.55 | |
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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