Roark, Daniel
Current rating: 1464
Record: 2-4
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 127 | Monholland, Jason (1469) | Lost 0-2 | -191481 |
| 2modern | 505 | Blackburn, Jeremy (1464) | Won 2-1 | +181499 |
| 3modern | 507 | Kirkpatrick, Samuel (1500) | Lost 0-0 | -181481 |
| 4modern | 453 | Wiedel, James (1483) | Lost 0-2 | -181463 |
| 5modern | 1072 | Johnson, Cody (1525) | Won 2-1 | +191482 |
| 6modern | 427 | Ethridge, Jonathan (1482) | Lost 1-2 | -181464 |
| average opponent: 1487record: 2-4 | new rating: 1464 | |||