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Individual Calculations February 2019 |
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| Ryba, Andrew Total change: -12.00 | |   |
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| 28th Annual North American Open | Las Vegas, Nevada | USA | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2232 | 4.00 | 8 | -0.60 | 20 | -12.00 | |
|  Phares, Eric | | | 1832 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jakubiec, Artur | g | | 2497 | POL | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Aldama, Dionisio | m | | 2412 | MEX | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Yang, Kevin | | | 2135 | USA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Liu, Joanna | | wf | 1891 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Eckert, Doug | f | | 2090 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Ginsburg, Mark | m | | 2336 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Wu, Rochelle | | wc | 2096 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | * 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) | | |
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