Harris, Derek N
Current rating: 1500
Record: 3-3-3
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 61 | Nagle, Philip W (1500) | Draw 1-1 | 01500 |
| 2legacy | 228 | Gibson, Robert (1500) | Draw 1-1 | 01500 |
| 3legacy | 331 | Moersfelder, Nathan (1500) | Lost 0-2 | -181482 |
| 4legacy | 391 | Thao, Lenny (1431) | Lost 0-2 | -191463 |
| 5legacy | 372 | Kirkpatrick, Chris (1464) | Won 2-0 | +181481 |
| 6legacy | 318 | D'Arcy, Adam (1480) | Lost 0-2 | -181463 |
| 7legacy | 283 | Means, Brian (1464) | Won 2-0 | +181481 |
| 8legacy | 224 | Adkins, Joshua (1522) | Won 2-1 | +191500 |
| 9legacy | 180 | McKinney, Ryan (1498) | Draw 1-1 | 01500 |
| average opponent: 1484record: 3-3-3 | new rating: 1500 | |||