Armbruster, Andrew
Current rating: 1502
Record: 3-3
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 29 | Smith, Evan 2 (1500) | Lost 0-2 | -181482 |
| 2legacy | 258 | Pierson, Justin M (1482) | Won 2-1 | +181500 |
| 3legacy | 250 | Wyatt, Phil (1501) | Lost 0-2 | -181482 |
| 4legacy | 292 | Meadors, John (1602) | Won 2-1 | +201502 |
| 5legacy | 270 | Larsen, Nick (1481) | Won 2-1 | +181520 |
| 6legacy | 224 | Bacon, Zachary D (1518) | Lost 0-2 | -181502 |
| average opponent: 1514record: 3-3 | new rating: 1502 | |||