Chang, Chung Hao
Current rating: 1521
Record: 5-4
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Meyer, Chad (1500) | Won 2-1 | +181518 |
| 2sealed | 166 | Taylor, Robert 2 (1500) | Lost 0-2 | -181500 |
| 3sealed | 297 | Hackenberger, Bryan (1499) | Won 2-1 | +181518 |
| 4sealed | 154 | Rivera, Tim (1630) | Lost 1-2 | -161502 |
| 5sealed | 268 | Alt, Judah (1426) | Won 2-0 | +161518 |
| 6sealed | 127 | Spear, Azrael (1569) | Lost 1-2 | -171501 |
| 7sealed | 171 | Blackburn-Smith, Galen (1498) | Won 2-0 | +181519 |
| 8sealed | 120 | Kirkey, Peter (1517) | Won 2-0 | +181537 |
| 9sealed | 110 | Schneider, Eric (1619) | Lost 1-2 | -161521 |
| average opponent: 1529record: 5-4 | new rating: 1521 | |||