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Individual Calculations December 2018 |
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| Chou, Jeffrey Total change: -2.40 | |   |
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| 54th Annual American Open - U2200 | Costa Mesa, California | USA | 2018-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 2023 | 3.00 | 4 | -0.06 | 40 | -2.40 | |
|  Zhang, Gavin | | | 1826 | USA | 0.50 | 1 | -0.25 | 40 | -10.00 | |  Deng, Tim | | | 1785 | USA | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Sevilla, Julia | | | 1947 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Singhal, Sanat | | | 1640 | IND | 1.00 | 1 | 0.09 | 40 | 3.60 | |
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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