O'BRIEN, Collin
Current rating: 1445
Record: 1-4
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 541 | Chou, Willis (1462) | Lost 0-2 | -191481 |
| 2sealed | 1104 | Angel, Jeronimo (1482) | Won 2-0 | +181499 |
| 3sealed | 432 | Detwiler, Linda (1500) | Lost 0-2 | -181481 |
| 4sealed | 361 | DiGiovanni, Eric (1480) | Lost 0-0 | -181463 |
| 5sealed | 393 | Rhett, Kara (1469) | Lost 0-2 | -181445 |
| average opponent: 1479record: 1-4 | new rating: 1445 | |||