Chang, Chih Hao
Current rating: 1549
Record: 11-10-1
| Regional Championships Taipei 2023 Cycle 4 (pioneer) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 42 | Lee, Jim Tim (1832) | Lost 0-2 | -121497 |
| 2pioneer | 27 | Chen, Chien Chun (1481) | Won 2-1 | +171514 |
| 3pioneer | 21 | Chiang, Chun Tse (1502) | Won 2-0 | +181532 |
| 4pioneer | 14 | Su, ZhaoBo (1597) | Won 2-1 | +191551 |
| 5pioneer | 12 | Tsao, Paul (1420) | Draw 1-1 | -21549 |
| 6pioneer | 11 | Chang, Ai-Chen (1556) | Lost 0-2 | -181531 |
| 7pioneer | 15 | Yu, Zhao Han (1518) | Won 2-1 | +181549 |
| top | average opponent: 1558record: 4-2-1 | new rating: 1549 | ||
| Regional Championships Taipei 2023 Cycle 3 (pioneer) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 11 | Hsueh, Shu-Yu (1692) | Lost 0-2 | -131427 |
| 2pioneer | 32 | Hsiao, Yu Chen (1428) | Won 2-1 | +181445 |
| 3pioneer | 17 | Chung, Chih Yao (1556) | Won 2-1 | +201465 |
| 4pioneer | 7 | Mao, Ho Zhi (1556) | Won 2-0 | +191484 |
| 5pioneer | 6 | Peng, Shin Cyuan (1540) | Won 2-0 | +191503 |
| 6pioneer | 5 | Yen, Sonic (1605) | Won 2-0 | +201523 |
| Qpioneer | Chang, Cheng Yu (1731) | Lost 0-2 | -141509 | |
| top | average opponent: 1587record: 5-2 | new rating: 1509 | ||
| Regional Championships Taipei 2023 (ONE standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 22 | Chung, Wei-Tung (1487) | Lost 0-2 | -181477 |
| 2standard | 17 | Tang, Yu Hsiang (1458) | Lost 1-2 | -181459 |
| 3standard | 27 | Shih, Yao-Cheng (1425) | Lost 0-2 | -191440 |
| top | average opponent: 1457record: 0-3 | new rating: 1440 | ||
| Regional Championships Taipei 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 26 | Yen, Yung Ta (1655) | Lost 1-2 | -151485 |
| 2pioneer | 24 | Chen, Liang (1739) | Won 2-0 | +221507 |
| 3pioneer | 12 | Hsueh, Shu-Yu (1687) | Lost 0-2 | -141493 |
| 4pioneer | 17 | Chen, Hong Yu (1484) | Won 2-1 | +171510 |
| 5pioneer | 17 | Cheng, Tung-Yi (1674) | Lost 0-2 | -151495 |
| top | average opponent: 1648record: 2-3 | new rating: 1495 | ||