Chen, Jeff
Current rating: 1540
Record: 4-3
| Regional Championships Taipei 2023 Cycle 4 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 19 | Yu, Hung-Yi (1708) | Won 2-0 | +221522 |
| 2pioneer | 8 | Chang, Cheng Yu (1802) | Lost 0-2 | -131509 |
| 3pioneer | 13 | Chang, Samuel (1794) | Lost 1-2 | -131496 |
| 4pioneer | 26 | Tse, Yu Hin (1558) | Won 2-1 | +191515 |
| 5pioneer | 25 | Hunkeler, Luca (1788) | Lost 0-2 | -131502 |
| 6pioneer | 25 | Kuan-Hsun, Tu (1530) | Won 2-0 | +181520 |
| 7pioneer | 20 | Chen, Szu-Yuan (1626) | Won 2-1 | +201540 |
| average opponent: 1686record: 4-3 | new rating: 1540 | |||