Yu, Yanzhen
Current rating: 1456
Record: 2-5
| Regional Championships Shanghai 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 41 | Wang, Xuan-ji (1742) | Lost 0-2 | -141486 |
| 2pioneer | 54 | Chen, Weiyang (1482) | Lost 1-2 | -181468 |
| 3pioneer | 84 | chen, ruoxi (1467) | Won 2-0 | +181486 |
| 4pioneer | 60 | Zhuang, Lingzheng (1579) | Lost 1-2 | -161470 |
| 5pioneer | 78 | Wen, Guanhua (1578) | Lost 1-2 | -161454 |
| 6pioneer | 74 | Zheng, Xin (1428) | Won 2-0 | +171471 |
| 7pioneer | 59 | Graham, Christopher (1626) | Lost 0-2 | -151456 |
| average opponent: 1557record: 2-5 | new rating: 1456 | |||