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Individual Calculations September 2023 |
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| Hu, Zehan Total change: -45.20 | |   |
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| Chinese National Youth Chess Championship 2023(B20) | Shenzhen,China | CHN | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1626 | 2.00 | 7 | -0.26 | 40 | -10.40 | |
|  Wu, Hao | | | 2012 | CHN | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Zhong, Kangmin | | | 1906 | CHN | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Zhong, Langqi | | | 1661 | CHN | 0.00 | 1 | -0.45 | 40 | -18.00 | |  Li, Deyang | | | 1672 | CHN | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Zhou, Ziyu | | | 1314 | CHN | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Liu, Aiwei | | | 1923 | CHN | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Zhang, Yifan(a) | | | 1975 | CHN | 0.00 | 1 | -0.11 | 40 | -4.40 | |
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) | | | | "Boyi Cup"China Youth Chess International Open Tournament 2023(Group B) | Daqing,China | CHN | 2023-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1266 | 1626 | 0.00 | 1 | -0.90 | 40 | -36.00 | |
| | Zhang, Qiwang | | | 1266 | CHN | 0.00 | 1 | -0.90 | 40 | -36.00 | |
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) | | | | The 3rd China Binhai Chess Open 2023 Group B | Binhai, Tianjing | CHN | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1626 | 2.50 | 4 | 0.03 | 40 | 1.20 | |
| | Ren, Yibai | | | 1243 | CHN | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Lv, Ruichen | | | 1224 | CHN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Li, Zhanjia | | | 1725 | CHN | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Tao, Qibing | | | 1792 | CHN | 0.50 | 1 | 0.22 | 40 | 8.80 | |
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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