Chang, Chih Wei
Current rating: 1458
| Grand Prix Taipei 2014 (M15 limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 207 | Go, Ian Mervin (1643) | Lost 1-2 | -151475 |
| 2sealed | 223 | Ng, Kenji (1541) | Lost 0-2 | -171458 |
| 3sealed | 379 | Richley, Cory (1462) | Won 2-0 | +181476 |
| 4sealed | 325 | Hsu, Benjamin (1427) | Won 2-0 | +171493 |
| 5sealed | 222 | Feng-jui, Chang (1503) | Lost 1-2 | -181475 |
| 6sealed | 303 | Bonggo, Francis Gene (1485) | Lost 0-2 | -171458 |
| top | average opponent: 1510record: 2-4 | new rating: 1458 | ||
| Grand Prix Taipei 2012 (RTR limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Lin, Livis (1516) | Lost 1-2 | -171446 |
| 2sealed | 220 | Hung, Jun Jai (1482) | Won 2-0 | +191465 |
| 3sealed | 238 | Xiao, Yu-Min (1499) | Won 2-1 | +191484 |
| 4sealed | 205 | Ishimaru, Ken (1750) | Lost 1-2 | -141470 |
| 5sealed | 264 | Chang, Yu-Chia (1506) | Won 2-0 | +191489 |
| 6sealed | 158 | Yang, Min Cha (1517) | Lost 0-2 | -171472 |
| 7sealed | 215 | Lin, Mu Yang (1500) | Won 2-0 | +181490 |
| top | average opponent: 1538record: 4-3 | new rating: 1490 | ||
| Grand Prix Taipei 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 10 | Sakata, Akinori (1464) | Lost 0-2 | -191481 |
| 2sealed | 75 | Yen, Yung Ta (1482) | Lost 0-2 | -181463 |
| 3sealed | 97 | Hsu, Wei Lun (1465) | Won 2-0 | +181481 |
| 4sealed | 111 | Lee, Jean Da (1482) | Won 2-1 | +181499 |
| 5sealed | 92 | Shen, Morrow (1501) | Lost 0-2 | -181481 |
| 6sealed | 94 | Shiau, Yuan-Shiung (1483) | Lost 0-2 | -181463 |
| top | average opponent: 1479record: 2-4 | new rating: 1463 | ||