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Individual Calculations September 2023 |
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| Jin, David Total change: 87.60 | |   |
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| 13th annual Central California Open - Major | Fresno, CA | USA | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1650 | 1.00 | 3 | 0.35 | 40 | 14.00 | |
|  Kukavica, Tony | | | 1974 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Gopalakrishnan, Kritin Rohan | | | 1874 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Wong, Andrew Yun | | | 1797 | USA | 1.00 | 1 | 0.70 | 40 | 28.00 | |
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) | | | | 1000GM 2023 August Bona FIDE Swiss - Open | Sunnyvale, CA | USA | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1650 | 3.00 | 5 | 1.84 | 40 | 73.60 | |
| | Qin, Vincent | | | 1920 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Hao, Max | | | 1831 | USA | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Biyiasas, Theo | | | 1955 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Lee, Yesun | | wc | 1766 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Parvathaneni, Nikhil | | | 1844 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | |
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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