Sun, Roger
Current rating: 1447
Record: 0-3-1
| Regional Championships Taipei 2023 Cycle 4 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 44 | Tseng, Zheng-Zeng (1507) | Lost 1-2 | -181482 |
| 2pioneer | 41 | SHENG-PANG, CHEN (1511) | Draw 1-1 | +11483 |
| 3pioneer | 34 | Huang, Joe (1482) | Lost 1-2 | -181465 |
| 4pioneer | 38 | Linus, Chung (1465) | Lost 0-2 | -181447 |
| average opponent: 1491record: 0-3-1 | new rating: 1447 | |||