Petitt, Joseph
Current rating: 1524
Record: 8-7
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 132 | Myska, Chase (1500) | Won 2-0 | +181518 |
| 2modern | 80 | Grady, Austin (1532) | Lost 1-2 | -181500 |
| 3modern | 475 | Godfrey, Micah (1462) | Won 2-1 | +181518 |
| 4modern | 397 | Glover, Nicolas (1501) | Won 2-0 | +171535 |
| 5modern | 270 | Barnes, Michael (1697) | Lost 0-2 | -151520 |
| 6modern | 317 | Swari, Benjamin (1518) | Won 2-1 | +181538 |
| 7modern | 187 | Gault, Dustin (1519) | Won 2-1 | +181556 |
| 8modern | 157 | Flynn, Kyle (1671) | Won 2-1 | +201576 |
| 9modern | 71 | Joglar, Gabriel (1732) | Lost 1-2 | -151561 |
| 10modern | 55 | Harp, Harrison (1551) | Lost 1-2 | -181543 |
| 11modern | 165 | Brock, Darin (1579) | Lost 1-2 | -181525 |
| 12modern | 173 | Rodriguez, Brian (1452) | Lost 0-2 | -191506 |
| 13modern | 159 | Lopez, Nicolas (1465) | Won 2-0 | +171523 |
| 14modern | 140 | Vickers, Brandon (1533) | Lost 1-2 | -181505 |
| 15modern | 132 | Allen, Willow (1521) | Won 2-0 | +191524 |
| average opponent: 1549record: 8-7 | new rating: 1524 | |||