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Individual Calculations September 2023 |
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| Ren, Yibai Total change: 95.60 | |   |
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| Chinese National Youth Chess Championship 2023(B14) | Shenzhen,China | CHN | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1243 | 0.50 | 3 | 0.39 | 40 | 15.60 | |
|  Jiao, Zhaorui | | | 1673 | CHN | 0.50 | 1 | 0.43 | 40 | 17.20 | |  Cheng, Zihan | | | 1822 | CHN | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Dong, Hongfu | | | 1851 | CHN | 0.00 | 1 | -0.02 | 40 | -0.80 | |
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) | | | | The 3rd China Binhai Chess Open 2023 Group B | Binhai, Tianjing | CHN | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1243 | 2.50 | 6 | 2.00 | 40 | 80.00 | |
| | Liu, Haoling | | | 1709 | CHN | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Hu, Zehan | | | 1626 | CHN | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Zhang, Qianyi | | | 1692 | CHN | 1.00 | 1 | 0.94 | 40 | 37.60 | | | Cong, Dingzhou | | | 1655 | CHN | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Wang, Bingfei | | | 1623 | CHN | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Ding, Shirui | | | 1552 | CHN | 0.50 | 1 | 0.36 | 40 | 14.40 | |
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) | | |
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