song, bin
Current rating: 1437
Record: 2-6
| Regional Championships Tianjin 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 83 | Leung, Yat Fung (1495) | Lost 1-2 | -181482 |
| 2pioneer | 74 | Wang, Kunrui (1689) | Lost 1-2 | -141468 |
| 3pioneer | 87 | chen, peng (1471) | Won 2-0 | +181486 |
| 4pioneer | 60 | Chen, Zhiming (1404) | Won 2-1 | +161502 |
| 5pioneer | 65 | Chen, Yiwen (1879) | Lost 1-2 | -111491 |
| 6pioneer | 70 | Liu, bingzheng (1484) | Lost 0-2 | -181473 |
| 7pioneer | 64 | Liu, Xinchang (1504) | Lost 0-2 | -181455 |
| 8pioneer | 57 | Chen, Cheng Chung (1461) | Lost 0-2 | -181437 |
| average opponent: 1548record: 2-6 | new rating: 1437 | |||