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Individual Calculations September 2023 |
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| He, Ping Total change: -28.80 | |   |
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| "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 |
| 1522 | 1727 | 2.50 | 3 | 0.25 | 40 | 10.00 | |
|  Liu, Huaqi | | | 1567 | CHN | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Xu, Ziyuan | | | 1619 | CHN | 0.50 | 1 | -0.15 | 40 | -6.00 | |  Wang, Yinuo(ln) | | | 1381 | CHN | 1.00 | 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) | | | NOTE: K factor changed | | The 3rd China Binhai Chess Open 2023 Group B | Binhai, Tianjing | CHN | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1437 | 1727 | 3.00 | 6 | -1.94 | 20 | -38.80 | |
| | Liu, Yangluohan | | | 1301 | CHN | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Tian, Yiqing | | | 1443 | CHN | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Xie, Jiaxiang | | | 1694 | CHN | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Wu, Yinan | | | 1327 * | CHN | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Zhang, Enming | | | 1459 | CHN | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Liu, Zhuolu | | | 1400 | CHN | 1.00 | 1 | 0.13 | 20 | 2.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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