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Individual Calculations January 2010 |
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| Arosemena, Jose Luis Total change: -8.25 | |   |
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| Open San Salvador 2009 | San Salvador | ESA | 2009-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2109 | 2211 | 4.00 | 7 | -0.33 | 25 | -8.25 | |
|  Pacheco, Julio | | | 2015 | ESA | 0.00 | 1 | -0.75 | 25 | -18.75 | |  Andrea, Melissa Mora Oviedo | | wc | 1829 | HON | 1.00 | 1 | 0.09 | 25 | 2.25 | | | Garcia, Sergio | | | 2119 | GUA | 0.50 | 1 | -0.13 | 25 | -3.25 | | | Zepeda, Lorena | | wm | 2109 | ESA | 1.00 | 1 | 0.36 | 25 | 9.00 | | | Leyva, Hector | m | | 2400 | ESA | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Sanchez, Ingrid | | wc | 1960 | ESA | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Baules, Jorge | m | | 2330 | PAN | 0.50 | 1 | 0.16 | 25 | 4.00 | |
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) | | |
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