O'brien, Sean 6143
Current rating: 1529
Record: 6-5
| Grand Prix Detroit 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 237 | Ferrara, Thomas (1503) | Won 2-0 | +181518 |
| 2modern | 114 | Gartland, John (1516) | Won 2-0 | +181536 |
| 3modern | 100 | Moore, Jacob (1531) | Won 2-0 | +181554 |
| 4modern | 141 | Woo, Paul (1719) | Won 2-1 | +211575 |
| 5modern | 27 | Snell, Andrew (1536) | Won 2-0 | +171592 |
| 6modern | 22 | Kuhn, Kory (1605) | Lost 0-2 | -181574 |
| 7modern | 176 | Grissom, Koelten (1691) | Lost 1-2 | -151559 |
| 8modern | 321 | O'Donnell, Caleb (1510) | Won 2-0 | +171576 |
| 9modern | 182 | Naylor, Jamie (1725) | Lost 0-2 | -161560 |
| 10modern | 310 | Quege, Joao (1715) | Lost 1-2 | -151545 |
| 11modern | 301 | Roberts, Alexander (1622) | Lost 1-2 | -161529 |
| average opponent: 1607record: 6-5 | new rating: 1529 | |||