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Individual Calculations December 2018 |
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| Zhao, Boyang Total change: 5.60 | |   |
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| 49th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2018-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 1800 | 1.00 | 5 | 0.14 | 40 | 5.60 | |
|  Colding, Ernest | | | 2083 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Martinez, Isaac | | | 2127 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Kis, Lorand Bela | | | 2013 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Pinales, Gabriel | | | 2037 | PUR | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Zhang, Alan | | | 2112 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | |
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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