Knowles, David
Current rating: 1447
Record: 2-5
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 417 | Cox, Jacie (1500) | Won 2-0 | +181518 |
| 2modern | 39 | Self, James (1534) | Lost 0-2 | -181500 |
| 3modern | 308 | Ellis, Zechariah (1499) | Lost 0-2 | -181482 |
| 4modern | 499 | Liu, Eric (1565) | Lost 0-2 | -161466 |
| 5modern | 544 | Rockwell, Jeff (1445) | Lost 1-2 | -191447 |
| 6modern | 581 | Lozano, Jesus (1452) | Won 2-0 | +181465 |
| 7modern | 473 | Krogman, Tyler (1463) | Lost 0-2 | -181447 |
| average opponent: 1494record: 2-5 | new rating: 1447 | |||