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Individual Calculations September 2023 |
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| Zhou, Yichen Total change: 95.38 | |   |
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| "Boyi Cup"China Youth Chess International Open Tournament 2023(Group A) | Daqing,China | CHN | 2023-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 1928 | 4.50 | 9 | 0.47 | 38 | 17.86 | |
|  Bulgankhan, Ganzorig | f | | 2092 | MGL | 0.00 | 1 | -0.28 | 38 | -10.64 | |  Lin, Peisen | | | 1965 | CHN | 0.50 | 1 | 0.05 | 38 | 1.90 | | | Jiang, Haochen | | | 2018 | CHN | 0.50 | 1 | 0.12 | 38 | 4.56 | | | Liu, Kaiyi | | | 2003 | CHN | 0.50 | 1 | 0.10 | 38 | 3.80 | | | Zhang, Zhuoran | | | 1859 | CHN | 0.00 | 1 | -0.60 | 38 | -22.80 | | | He, Henry | | | 1859 | USA | 0.50 | 1 | -0.10 | 38 | -3.80 | | | Liu, Meng | | | 1807 | CHN | 1.00 | 1 | 0.34 | 38 | 12.92 | | | Wang, Qinxuanyi | | | 2032 | CHN | 0.50 | 1 | 0.14 | 38 | 5.32 | | | Mendoza, Shania Mae | | wf | 2077 | PHI | 1.00 | 1 | 0.70 | 38 | 26.60 | |
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) | | | | The 3rd China Binhai Chess Open | Binhai, Tianjing | CHN | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 1928 | 4.00 | 9 | 2.04 | 38 | 77.52 | |
| | Jiang, Qinyu | | | 2294 | CHN | 0.00 | 1 | -0.10 | 38 | -3.80 | | | Yu, Lei | | | 2119 | CHN | 1.00 | 1 | 0.75 | 38 | 28.50 | | | Zhou, Jianchao | g | | 2558 | CHN | 0.50 | 1 | 0.49 | 38 | 18.62 | | | Chu, Ruotong | | wm | 2166 | CHN | 0.50 | 1 | 0.30 | 38 | 11.40 | | | Battulga, Namkhai | m | | 2394 | MGL | 0.00 | 1 | -0.05 | 38 | -1.90 | | | Gu, Xianghan | | | 1989 | CHN | 0.00 | 1 | -0.42 | 38 | -15.96 | | | Zhang, Fuhan | | | 2099 | CHN | 0.50 | 1 | 0.23 | 38 | 8.74 | | | Bureik, Matthias | c | | 2131 | GER | 0.50 | 1 | 0.26 | 38 | 9.88 | | | Chen, Zhi | | | 1989 | CHN | 1.00 | 1 | 0.58 | 38 | 22.04 | |
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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