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Individual Calculations January 2015 |
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| Leiva, Marlon Total change: -18.20 | |   |
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| Open San Salvador 2014 | San Salvador | ESA | 2014-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 1842 | 0.00 | 4 | -0.91 | 20 | -18.20 | |
|  Chavez, Hector Antonio | | | 1886 | ESA | 0.00 | 1 | -0.44 | 20 | -8.80 | |  Reyes Najera, Carlos A. | f | | 2120 | GUA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Arias, Daniel | f | | 2206 | ESA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Guzman, Oswaldo | | | 2086 | GUA | 0.00 | 1 | -0.20 | 20 | -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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