Coughlin, Sean
Current rating: 1462
Record: 4-6
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Sees, William (1502) | Won 2-1 | +181518 |
| 2sealed | 36 | Hazlett, Christian (1521) | Lost 0-2 | -181500 |
| 3sealed | 433 | Boudreau, David (1487) | Lost 0-2 | -181482 |
| 4sealed | 597 | Barrett, Rodolfo (1387) | Lost 1-2 | -201462 |
| average opponent: 1474record: 1-3 | new rating: 1462 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Pastore, Kellen (1500) | Lost 1-2 | -181482 |
| 2sealed | 258 | Bevenour, Matthew (1503) | Won 2-1 | +181500 |
| 3sealed | 230 | Currie, Joshua (1502) | Won 2-0 | +181518 |
| 4sealed | 270 | Perrone, Daniel (1518) | Lost 0-2 | -181500 |
| 5sealed | 298 | Fields, Eric (1466) | Won 2-1 | +181518 |
| 6sealed | 205 | Bhanot, Meru (1520) | Lost 1-2 | -181500 |
| average opponent: 1501record: 3-3 | new rating: 1500 | |||