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Individual Calculations April 2008 |
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| Velasquez, Oscar Total change: -2.70 | |   |
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| Campeonato Centroamericano Masculino 2007 | San Salvador | ESA | 2007-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2115 | 3.00 | 5 | 0.81 | 25 | 20.25 | |
|  Urbina, Ricardo | m | | 2272 | HON | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Valdes, Rances | | | 2108 | PAN | 1.00 | 1 | 0.49 | 25 | 12.25 | |  Pacheco, Julio | | | 2078 | ESA | 0.00 | 1 | -0.55 | 25 | -13.75 | | | Bravo, William | f | | 2161 | NCA | 1.00 | 1 | 0.56 | 25 | 14.00 | | | Picado, Jorge | | | 2186 | NCA | 1.00 | 1 | 0.60 | 25 | 15.00 | |
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) | | | NOTE: K factor changed | | III Open San Salvador | San Salvador | ESA | 2007-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 2115 | 1.00 | 4 | -1.53 | 15 | -22.95 | |
| | Avelar, Gabriela | | wf | 1965 | ESA | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Mendez, Marlon | | | 2026 | ESA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Aguilar, Gustavo | | | 2100 | ESA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Pastor, Tania | | wf | 1972 | ESA | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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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