Parrish, Roy
Current rating: 1517
Record: 5-4
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 87 | Hood, Cory (1483) | Lost 0-2 | -181482 |
| 2modern | 460 | Singletary, Greg (1491) | Won 2-1 | +181500 |
| 3modern | 501 | Emerson, Micah (1482) | Lost 0-2 | -181482 |
| 4modern | 596 | Jacobi, Brian (1469) | Won 2-1 | +171499 |
| 5modern | 300 | Mercado, Mariano (1502) | Won 2-1 | +181517 |
| 6modern | 215 | Yau, Jonathan (1525) | Lost 0-2 | -181499 |
| 7modern | 338 | Dodd, Jessica (1363) | Won 2-1 | +161515 |
| 8modern | 346 | Pardee, Carolyn (1504) | Won 2-1 | +181533 |
| 9modern | 190 | Pate, Jordan (1659) | Lost 1-2 | -161517 |
| average opponent: 1498record: 5-4 | new rating: 1517 | |||