Chang, Chih Kang
Current rating: 1457
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 51 | Lim, Ting Yong (1553) | Won 2-0 | +191505 |
| 2standard | 56 | Gao, Yi (1513) | Lost 1-2 | -181487 |
| 3standard | 310 | Fu, Xue-Er (1486) | Lost 1-2 | -181469 |
| 4standard | 484 | Hatakeyama, Dai (1442) | Won 2-1 | +171486 |
| 5standard | 284 | Mine, Masahiro (1827) | Lost 0-2 | -121474 |
| 6standard | 388 | Chen, Chien Hung (1486) | Won 2-1 | +191493 |
| 7standard | 340 | Sy, Vian (1507) | Lost 1-2 | -181475 |
| 8standard | 300 | Zhu, Kaihua (1463) | Lost 1-2 | -181457 |
| top | average opponent: 1535record: 3-5 | new rating: 1457 | ||
| Grand Prix Taipei 2016 (SOI standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 110 | Shen, Po Chuan (1645) | Won 2-0 | +201507 |
| 4standard | 29 | Cheng, Chia-Fang (1497) | Lost 0-2 | -181489 |
| 5standard | 78 | Spevack, Jaryd (1539) | Won 2-0 | +191508 |
| 6standard | 37 | Chang, Chi Hung (1500) | Won 2-0 | +181526 |
| 7standard | 28 | Tan, Chin Heng (1861) | Lost 0-2 | -121514 |
| 8standard | 112 | Hwamg, Chi Chung (1566) | Lost 0-2 | -171497 |
| 9standard | 132 | Young, Ryan (1885) | Lost 1-2 | -111486 |
| top | average opponent: 1642record: 3-4 | new rating: 1486 | ||
| Grand Prix Taipei 2014 (M15 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 53 | Neo, You Wei (1558) | Won 2-1 | +191519 |
| 2sealed | 60 | Liao, Danny (1535) | Won 2-0 | +181537 |
| 3sealed | 158 | Chu, Alfred (1536) | Lost 0-2 | -181519 |
| 4sealed | 221 | Liau, Liang-Wei (1463) | Lost 1-2 | -191500 |
| 5sealed | 250 | chiou, chih chieh (1503) | Lost 0-2 | -181482 |
| 6sealed | 312 | Lin, Jia (1450) | Won 2-0 | +181500 |
| 7sealed | 226 | Lee, Seyoung (1470) | Won 2-0 | +171517 |
| 8sealed | 174 | Tomomura, Hitoshi (1644) | Lost 1-2 | -151502 |
| 9sealed | 203 | Ishimaru, Ken (1668) | Lost 0-2 | -151487 |
| top | average opponent: 1536record: 4-5 | new rating: 1487 | ||