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Individual Calculations April 2008 |
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| Ortiz, Marcos Total change: 4.05 | |   |
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| Campeonato Centroamericano Masculino 2007 | San Salvador | ESA | 2007-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 2048 | 1.00 | 4 | -0.85 | 15 | -12.75 | |
|  Valdes, Rances | | | 2108 | PAN | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Iraheta, Rafael | | | 1972 | ESA | 0.50 | 1 | -0.10 | 15 | -1.50 | |  Lorenzana, Wilson | f | | 2230 | GUA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Hernandez, Virgilio | | | 1996 | ESA | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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) | | | | Team Nicaragua Chess National Championship | Managua | NCA | 2007-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2048 | 3.50 | 7 | 1.12 | 15 | 16.80 | |
| | Sanchez, Ramon | | | 2061 | NCA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Carranza, Ivan | | | 2122 | NCA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Fonseca, Jose Luis | | | 2230 | NCA | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Olivares, Danields | f | | 2198 | NCA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Vega, Emerson | | | 2133 | NCA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Guevara, Martin | f | | 2286 | NCA | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Batres, Francisco | f | | 2153 | NCA | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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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