Clayton, Douglas
Current rating: 1436
Record: 3-7
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 686 | Aubel, Tim (1488) | Lost 0-2 | -181428 |
| 2sealed | 647 | Langevin, Marjorie (1473) | Won 2-1 | +191447 |
| 3sealed | 741 | Thayer, Benjamin (1414) | Lost 1-2 | -181429 |
| 4sealed | 788 | Lu, Robert (1483) | Won 2-1 | +191448 |
| 5sealed | 714 | Carpenter, Ryan (1683) | Won 2-0 | +221470 |
| 6sealed | 407 | Smith, Chris (1451) | Lost 0-2 | -181452 |
| 7sealed | 639 | Weeke, John (1607) | Lost 0-2 | -161436 |
| average opponent: 1514record: 3-4 | new rating: 1436 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1380 | Hacault, Robert G (1501) | Lost 1-2 | -181482 |
| 2sealed | 1642 | La Madrid, Oliver (1483) | Lost 1-2 | -181464 |
| 3sealed | 1702 | Kennedy, Daniel (1447) | Lost 0-2 | -181446 |
| average opponent: 1477record: 0-3 | new rating: 1446 | |||