Turnbull, Grady
Current rating: 1464
Record: 6-8
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 127 | Eliades, Michael (1375) | Won 2-1 | +161494 |
| 2modern | 113 | York, Derrick (1503) | Won 2-0 | +181512 |
| 3modern | 194 | Grindlinger, Robert (1482) | Lost 0-2 | -181494 |
| 4modern | 352 | Jackson, Brian (1483) | Lost 0-2 | -181476 |
| 5modern | 709 | Beasley, Eric (1480) | Won 2-0 | +181494 |
| 6modern | 389 | Nance, Hunter (1851) | Lost 0-2 | -121482 |
| 7modern | 536 | Bryniarski, Andzelika (1483) | Lost 0-2 | -181464 |
| average opponent: 1522record: 3-4 | new rating: 1464 | |||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 7 | Enzmann, Odin (1513) | Lost 0-2 | -181482 |
| 2modern | 728 | Cozzoli, Kevin (1409) | Lost 1-2 | -191463 |
| 3modern | 1356 | Shih, Brian (1462) | Won 2-0 | +181481 |
| 4modern | 1236 | Webb, Cheyenne (1423) | Lost 0-2 | -191462 |
| 5modern | 1315 | Meckel, Kenneth (1399) | Lost 1-2 | -191443 |
| 6modern | 1226 | Blakeley, Joseph (1442) | Won 2-0 | +181461 |
| 7modern | 1048 | Maguire, Sean (1424) | Won 2-1 | +171478 |
| average opponent: 1439record: 3-4 | new rating: 1478 | |||