qiaocen, zhou
Current rating: 1572
Record: 11-9-1
| Regional Championships Shanghai 2023 (pioneer) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 11 | Liu, Xinchang (1567) | Won 2-0 | +201488 |
| 2pioneer | 21 | yifu, zhang (1579) | Won 2-1 | +191507 |
| 3pioneer | 18 | Liu, Alex [CHN] (1441) | Won 2-0 | +171524 |
| 4pioneer | 9 | Han, Yi (1838) | Won 2-0 | +241548 |
| 5pioneer | 1 | Zhang, Jialun (1582) | Won 1-0 | +181566 |
| 6pioneer | 1 | Wang, Wei (1521) | Lost 0-2 | -181548 |
| 7pioneer | 7 | Wang, Genyao (1583) | Draw 1-1 | 01548 |
| 8pioneer | 5 | Gao, Boran (1638) | Won 2-0 | +201568 |
| Qpioneer | Ji, Zihao (1805) | Won 2-1 | +221590 | |
| Spioneer | Liang, Jianwei (1580) | Lost 0-2 | -181572 | |
| top | average opponent: 1614record: 7-2-1 | new rating: 1572 | ||
| Regional Championships Beijing 2023 (ONE standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 76 | Qin, Xiaoqi (1808) | Won 2-0 | +241510 |
| 2standard | 5 | Yu, Muhan (1864) | Lost 1-2 | -121498 |
| 3standard | 47 | Leung, Yat Fung (1527) | Won 2-1 | +191517 |
| 4standard | 34 | Wong, Man Lok (1739) | Lost 0-2 | -141503 |
| 5standard | 43 | Liu, Xinchang (1568) | Lost 1-2 | -171486 |
| 6standard | 53 | Teng, shifeng (1483) | Lost 1-2 | -181468 |
| top | average opponent: 1665record: 2-4 | new rating: 1468 | ||
| Regional Championships China 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| D1pioneer | 10 | Fei, Li (1500) | Won 2-0 | +181518 |
| D2pioneer | 2 | Yu, Muhan (1876) | Lost 0-2 | -121506 |
| D3pioneer | 8 | Chen, Pengzhou (1482) | Lost 0-2 | -181488 |
| D4pioneer | 11 | Yu, Hao (1405) | Won 2-0 | +161504 |
| D5pioneer | 7 | Zhou, Zhengyang (1510) | Lost 0-2 | -181486 |
| top | average opponent: 1555record: 2-3 | new rating: 1486 | ||