Duan, Zhengyuan
Current rating: 1465
Record: 1-3
| Regional Championships Shanghai 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 92 | Jiao, Chang (1434) | Lost 0-2 | -191481 |
| 2pioneer | 77 | He, Yilin (1482) | Lost 0-2 | -181463 |
| 3pioneer | 78 | Dong, Yue (1456) | Won 2-0 | +181481 |
| 4pioneer | 70 | Zhang, Yuxuan (1621) | Lost 0-2 | -161465 |
| average opponent: 1498record: 1-3 | new rating: 1465 | |||