O'Rourke, Nathaniel
Current rating: 1493
Record: 8-9
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 23 | Kalla, Brandon (1500) | Lost 1-2 | -171430 |
| 2modern | 325 | Blackmon, Connor (1448) | Won 2-0 | +181448 |
| 3modern | 348 | Adams, Dustin (1539) | Won 2-1 | +201468 |
| 4modern | 171 | Payne, Grayson (1633) | Lost 0-2 | -151453 |
| 5modern | 354 | Hoppe, Gabe (1467) | Won 2-1 | +181471 |
| 6modern | 219 | Contreras, Issak (1453) | Won 2-0 | +171488 |
| 7modern | 165 | Yunko, John (1681) | Won 2-1 | +221510 |
| 8modern | 156 | Brown, Travis (1593) | Lost 1-2 | -171493 |
| average opponent: 1539record: 5-3 | new rating: 1493 | |||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 139 | Herrera, Joe (1381) | Won 2-0 | +161516 |
| 2modern | 404 | Gervasi, Bronson (1453) | Lost 0-2 | -191497 |
| 3modern | 716 | Blackwell, John (1498) | Won 2-0 | +181515 |
| 4modern | 456 | Leza, Eddie (1566) | Lost 0-2 | -171498 |
| 5modern | 451 | Molesch, Max (1678) | Lost 1-2 | -151483 |
| 6modern | 717 | Lopez, Jose (1452) | Lost 0-2 | -191464 |
| 7modern | 694 | Goodall, Dale (1470) | Lost 1-2 | -181446 |
| 8modern | 638 | Brunssen, Jonathan (1451) | Won 2-1 | +191465 |
| 9modern | 533 | Fish, Thomas (1465) | Lost 0-2 | -181447 |
| average opponent: 1490record: 3-6 | new rating: 1447 | |||