O'Brien, Sean 5172
Current rating: 1484
Record: 3-4-1
| Grand Prix Detroit 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 466 | Poltorak, Darren (1542) | Draw 1-1 | +11501 |
| 3modern | 526 | Talley, Larry (1504) | Won 2-0 | +181519 |
| 4modern | 280 | Gleason, John (1538) | Won 2-0 | +181537 |
| 5modern | 131 | Osborne, Jacob (1541) | Lost 0-2 | -181519 |
| 6modern | 325 | Blair, Paul (1590) | Won 2-0 | +201539 |
| 7modern | 194 | Kahn, Solomon (1553) | Lost 1-2 | -181521 |
| 8modern | 354 | Fram, Robert (1513) | Lost 0-2 | -181503 |
| 9modern | 501 | Brackett, Brian (1491) | Lost 0-2 | -191484 |
| average opponent: 1534record: 3-4-1 | new rating: 1484 | |||