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Individual Calculations April 2008 |
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| Chavez, Hector Eduardo Total change: 1.50 | |   |
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| III Open San Salvador | San Salvador | ESA | 2007-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2157 | 1.50 | 2 | 0.27 | 15 | 4.05 | |
|  Hernandez, Virgilio | | | 1996 | ESA | 1.00 | 1 | 0.29 | 15 | 4.35 | |  Zepeda, Lorena | | wm | 2145 | ESA | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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 |
| 2094 | 2157 | 1.00 | 2 | -0.17 | 15 | -2.55 | |
| | Tobar, Jorge | | | 1993 | ESA | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Chavez, Ricardo Ernesto | f | | 2195 | ESA | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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) | | |
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