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Individual Calculations February 2020 |
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| Chen, Derek Total change: 0.80 | |   |
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| 52nd Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 1858 | 1.50 | 5 | 0.04 | 20 | 0.80 | |
|  Gajic, Zoran R | f | | 2258 * | SRB | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Quirke, Jeffrey L | | | 2105 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Genger, Eitan | | | 1944 | USA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Treger, Yefim | | | 2009 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Xu, Jonathan | | | 1851 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | | | * 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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