Mao, Yiwei
Current rating: 1494
Record: 7-9
| Regional Championships Tianjin 2023 (pioneer) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 102 | dingcan, cao (1500) | Won 2-0 | +191495 |
| 2pioneer | 30 | Guo, Xiaoyu (1935) | Lost 1-2 | -111484 |
| 3pioneer | 31 | Zhao, Tianrui (1527) | Won 2-1 | +191503 |
| 4pioneer | 46 | Ai, Zhuhui (1493) | Lost 0-2 | -181485 |
| 5pioneer | 49 | Li, Guanglei (1539) | Lost 0-2 | -171468 |
| 6pioneer | 66 | Xie, Zhan (1724) | Lost 0-2 | -141454 |
| 7pioneer | 63 | Wan, Nuo (1622) | Won 2-0 | +211475 |
| 8pioneer | 49 | yifu, zhang (1526) | Won 2-1 | +191494 |
| average opponent: 1608record: 4-4 | new rating: 1494 | |||
| Regional Championships Shanghai 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 94 | Han, Yi (1795) | Lost 0-2 | -131487 |
| 2pioneer | 85 | Guanlin, Liu (1488) | Won 2-1 | +181505 |
| 3pioneer | 51 | Dang, Qi (1609) | Won 2-0 | +201525 |
| 4pioneer | 33 | Gao, Boran (1565) | Lost 1-2 | -171508 |
| 5pioneer | 49 | Li, Nan (1540) | Won 2-0 | +181526 |
| 6pioneer | 35 | Chan, Andy (1804) | Lost 1-2 | -131513 |
| 7pioneer | 51 | Wang, Di (1499) | Lost 1-2 | -181495 |
| 8pioneer | 50 | Ai, Zhuhui (1449) | Lost 1-2 | -191476 |
| average opponent: 1593record: 3-5 | new rating: 1476 | |||