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Individual Calculations September 2023 |
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| Jiang, Liu Total change: 5.20 | |   |
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| Chinese National Youth Chess Championship 2023(B12) | Shenzhen,China | CHN | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1642 | 3.00 | 5 | 0.28 | 40 | 11.20 | |
|  Wu, Yinan | | | 1250 | CHN | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Zhang, Qiwang | | | 1266 | CHN | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Chen, Zimu(js) | | | 1899 | CHN | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Chen, Muxi | | | 1749 | CHN | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Qu, Haoming | | | 1746 | CHN | 0.50 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | "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 |
| 1457 | 1642 | 2.00 | 3 | -0.15 | 40 | -6.00 | |
| | Zhang, Qiwang | | | 1266 | CHN | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Liu, Huaqi | | | 1567 | CHN | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Usman, Ayana Nicole | | | 1537 | PHI | 1.00 | 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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