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Individual Calculations April 2008 |
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| Mendez, Marlon Total change: 9.45 | |   |
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| III Open San Salvador | San Salvador | ESA | 2007-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2026 | 1.00 | 2 | 0.32 | 15 | 4.80 | |
|  Martinez, Nelson | f | | 2177 | ESA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Velasquez, Oscar | | | 2115 | ESA | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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 |
| 2104 | 2026 | 1.50 | 3 | 0.31 | 15 | 4.65 | |
|  Pacheco, Julio | | | 2078 | ESA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Mira, Felix | | | 2040 | ESA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Chavez, Ricardo Ernesto | f | | 2195 | ESA | 0.50 | 1 | 0.22 | 15 | 3.30 | |
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) | | |
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