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Individual Calculations March 2015 |
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| Acosta, Mariano A Total change: -18.60 | |   |
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| 2015 Land of the Sky Open | Asheville, North Carolina | USA | 2015-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 1986 | 1.00 | 3 | -0.01 | 20 | -0.20 | |
|  Ivanov, Alexander | g | | 2386 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Guo, Arthur | c | | 1836 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Mabe, Chris J | | | 2199 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2015 Southwest Class Championships | Fort Worth, Texas | USA | 2015-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 1986 | 0.50 | 5 | -0.92 | 20 | -18.40 | |
| | Vazquez, Guillermo | f | | 2386 * | PAR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Githoro, Mbugua | | | 2007 | USA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Simms, Gary | | | 2083 | USA | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Gulamali, Kazim | f | | 2340 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Brooks, Curtis | | | 2067 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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