O'Hara, Patrick
Current rating: 1517
Record: 4-3
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | Laughrey, Brice (1500) | Won 2-0 | +181518 |
| 2sealed | 100 | Becker, Brett (1517) | Lost 0-2 | -181500 |
| 3sealed | 407 | Justice, Adam (1429) | Lost 0-2 | -191481 |
| 4sealed | 368 | Williams, John (1475) | Won 2-1 | +181499 |
| 5sealed | 255 | Villagrana, John (1498) | Won 2-0 | +181517 |
| 6sealed | 157 | Maleszewski, Chet (1529) | Won 2-1 | +181535 |
| 7sealed | 177 | Petsuch, Anthony (1529) | Lost 1-2 | -181517 |
| average opponent: 1497record: 4-3 | new rating: 1517 | |||