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Individual Calculations March 2015 |
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| Guo, Arthur Total change: 64.80 | |   |
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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 |
| 2102 | 1836 | 2.00 | 4 | 1.26 | 40 | 50.40 | |
|  Harris, Neal D | | | 2149 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Acosta, Mariano A | | | 1986 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Pohl, Klaus A | | | 2112 | USA | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Potter, John Russe | | | 2160 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | |
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) | | | | 2015 Southwest Class Championships | Fort Worth, Texas | USA | 2015-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 1836 | 1.00 | 5 | 0.36 | 40 | 14.40 | |
| | Gurevich, Daniel | f | | 2236 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Eckert, Doug D | f | | 2216 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Tarhon, Brian | | | 2119 | ENG | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Heredia, Carla | | wg | 2182 | ECU | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Bunyatov, Rustam | c | | 2078 | AZE | 0.50 | 1 | 0.30 | 40 | 12.00 | | | * 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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