O'Donnell, Matt
Current rating: 1520
Record: 5-4
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 349 | Helms, James (1500) | Lost 0-2 | -181482 |
| 2legacy | 709 | Page, Jonathan (1540) | Won 2-1 | +191501 |
| 3legacy | 729 | Dennis, AJ (1545) | Won 2-0 | +191520 |
| 4legacy | 561 | Corliss, Kevin (1518) | Lost 0-2 | -181502 |
| 5legacy | 522 | Harvey, Spencer (1468) | Won 2-1 | +171519 |
| 6legacy | 354 | Finley, Christopher (1519) | Won 2-1 | +181537 |
| 7legacy | 276 | Hoppesch, Nick (1502) | Lost 0-2 | -181519 |
| 8legacy | 371 | Mangat, Chris (1518) | Won 2-1 | +181537 |
| 9legacy | 208 | Eliot, Dominic (1637) | Lost 1-2 | -171520 |
| average opponent: 1527record: 5-4 | new rating: 1520 | |||