Rock, Stephen
Current rating: 1453
Record: 3-6
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1436 | Reedy, Phelan (1519) | Lost 0-2 | -181470 |
| 2legacy | 1908 | Blissett, Ryan (1482) | Lost 0-2 | -171453 |
| 3legacy | 2031 | Chen, Eugene (1476) | Won 2-0 | +181471 |
| 4legacy | 1857 | McCormack, Joseph (1480) | Lost 0-2 | -181453 |
| average opponent: 1489record: 1-3 | new rating: 1453 | |||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 172 | Romanowski, Richard (1412) | Lost 0-2 | -201480 |
| 2sealed | 700 | Geraghty, Alexander (1481) | Won 2-0 | +181498 |
| 3sealed | 684 | Elliott, Garth (1548) | Won 2-0 | +191517 |
| 4sealed | 544 | Lehner, Bernhard (1911) | Lost 0-2 | -111506 |
| 5sealed | 640 | Boyson, Jonathan (1483) | Lost 1-2 | -181488 |
| average opponent: 1567record: 2-3 | new rating: 1488 | |||