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Individual Calculations April 2008 |
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| Iraheta, Rafael Total change: 39.60 | |   |
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| Internacional de Alajuela 2007 | Alajuela | CRC | 2007-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 1955 | 1.50 | 4 | 0.72 | 15 | 10.80 | |
|  Chavez, Ricardo | f | | 2195 | ESA | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Urbina, Ricardo | m | | 2272 | HON | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Ramos, Efren Andres | | | 2172 | NCA | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Bermudez, Sergio | f | | 2164 | CRC | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | Campeonato Centroamericano Masculino 2007 | San Salvador | ESA | 2007-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 1972 | 1.50 | 5 | 0.23 | 15 | 3.45 | |
| | Valdes, Leonardo | m | | 2322 | CRC | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ortiz, Marcos | | | 2048 | NCA | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Lorenzana, Wilson | f | | 2230 | GUA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Aguilar, Gustavo | | | 2100 | ESA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Bravo, William | f | | 2161 | NCA | 1.00 | 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) | | | | National Championship Absolute El Salvador 2007 | San Salvador | ESA | 2007-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 1972 | 4.50 | 8 | 1.69 | 15 | 25.35 | |
| | Pacheco, Julio | | | 2078 | ESA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Aguilar, Gustavo | | | 2100 | ESA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Chavez, Ricardo Ernesto | f | | 2195 | ESA | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Martinez, Nelson | f | | 2177 | ESA | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Lopez, Carlos Manuel | | | 1866 | ESA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Arias, Lemmys A. | f | | 2293 | ESA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Tobar, Jorge | | | 1993 | ESA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Quijano, Manuel D.jesus | | | 2032 | ESA | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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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