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Individual Calculations January 2017 |
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| Zhang, Derek Total change: -51.60 | |   |
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| 52nd Annual American Open - U2200 | Costa Mesa, California | USA | 2016-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1982 | 2.00 | 5 | -1.29 | 40 | -51.60 | |
|  Srinivas, Rahul | | | 1824 | USA | 0.00 | 1 | -0.71 | 40 | -28.40 | |  Cohen, Ed | | | 1997 | USA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Domingo, Arnel | | | 2009 | USA | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Deng, Queena | | | 1770 | USA | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Lu, Ming | | | 1662 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | |
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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