Hackenberger, Bryan
Current rating: 1463
Record: 2-4
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 125 | Kneisley, Thorin (1500) | Won 2-0 | +181518 |
| 2sealed | 62 | Howell, Damon (1465) | Lost 1-2 | -191499 |
| 3sealed | 297 | Chang, Chung Hao (1500) | Lost 1-2 | -181481 |
| 4sealed | 337 | McMillan, W Ziggy (1481) | Lost 0-2 | -181463 |
| 5sealed | 302 | Holop, Robbie (1464) | Won 2-0 | +181481 |
| 6sealed | 249 | Shubert, Robert (1481) | Lost 1-2 | -181463 |
| average opponent: 1482record: 2-4 | new rating: 1463 | |||