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Individual Calculations September 2023 |
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| Cong, Dingzhou Total change: -36.00 | |   |
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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 |
| 1572 | 1655 | 2.00 | 5 | -0.94 | 40 | -37.60 | |
|  Jiang, Haochen | | | 1815 | CHN | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Yin, Zijun | | | 1264 | CHN | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Song, Tianrui | | | 1719 | CHN | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Wang, Youran | | | 1579 | CHN | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Gong, Bonuonuo | | | 1483 | CHN | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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) | | | | 7th Eastern Asia Youth Chess Championship - U12 Standard | Changjiang, Hainan, China | CHN | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1547 | 1655 | 2.50 | 5 | -0.63 | 40 | -25.20 | |
| | Teah, Jared | | | 1291 | SGP | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Liu, Fung Ming Mathew | | | 1475 | HKG | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Yang, Zilong | | | 1862 | CHN | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Batzaya, Agibat | | | 1671 | MGL | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Cairel Adrin, Rumi Arjuna Malique | | | 1438 | MAS | 0.50 | 1 | -0.28 | 40 | -11.20 | |
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 |
| 1507 | 1655 | 4.50 | 6 | 0.67 | 40 | 26.80 | |
| | Fang, Yiwen | | | 1255 * | CHN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Tao, Qibing | | | 1792 | CHN | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Zhang, Zhi | | | 1791 | CHN | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Ren, Yibai | | | 1243 | CHN | 0.50 | 1 | -0.43 | 40 | -17.20 | | | Wu, Yinan | | | 1250 | CHN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Liu, Haoling | | | 1709 | CHN | 1.00 | 1 | 0.58 | 40 | 23.20 | | | * 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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