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Individual Calculations January 2015 |
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| Zhang, Derek Total change: 4.00 | |   |
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| 2014 Oregon Open | Portland, Oregon | USA | 2014-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 1918 | 1.00 | 3 | 0.10 | 40 | 4.00 | |
|  He, Samuel | | | 2004 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Bjorksten, Lennart | | | 2127 | USA | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Pupols, Viktors | | | 2072 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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