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Individual Calculations January 2020 |
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| Zhang, Gavin Total change: -40.00 | |   |
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| 55th Annual American Open | Costa Mesa, California | USA | 2019-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1924 | 2.50 | 6 | -1.00 | 40 | -40.00 | |
|  Lu, Ming | | | 2084 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Xie, Bryan | | | 1750 | USA | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Huang, Brian | | | 1531 | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Kondakov, Adrian | c | | 1919 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Atwell, Rose | | | 1817 | USA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Wen, Teddie | | | 1996 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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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