Webb, Jack
Current rating: 1452
Record: 2-5
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 30 | Rockwell, Mathew (1447) | Won 2-0 | +171517 |
| 2modern | 10 | Perez, Randy (1646) | Lost 1-2 | -161501 |
| 3modern | 314 | Forsyth, John (1787) | Lost 1-2 | -131488 |
| 4modern | 473 | Spicer, Richard (1400) | Won 2-1 | +171505 |
| 5modern | 382 | Keller, Koby (1607) | Lost 1-2 | -161489 |
| 6modern | 496 | Moreno, Arthur (1482) | Lost 1-2 | -181471 |
| 7modern | 503 | Anderson, Nicholas (1449) | Lost 1-2 | -191452 |
| average opponent: 1545record: 2-5 | new rating: 1452 | |||