Kirby, Derek
Current rating: 1480
Record: 4-5
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 203 | Davis, Stephen (1500) | Lost 1-2 | -181482 |
| 2sealed | 257 | Larson, Chris (1482) | Lost 0-2 | -181464 |
| 3sealed | 345 | Reid, Aaron (1465) | Won 2-0 | +181482 |
| 4sealed | 318 | Calder, Paul (1449) | Lost 0-2 | -191463 |
| 5sealed | 290 | Troutman, Matthew (1463) | Won 2-1 | +181481 |
| 6sealed | 225 | Idehenre, Reno (1483) | Won 2-0 | +181499 |
| 7sealed | 163 | Marks, Marty (1472) | Lost 1-2 | -181481 |
| 8sealed | 161 | Frost, Brian (1482) | Lost 1-2 | -181463 |
| 9sealed | 130 | Cirunay, Cedric (1433) | Won 2-1 | +171480 |
| average opponent: 1470record: 4-5 | new rating: 1480 | |||