Coburn, William
Current rating: 1462
Record: 1-3
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1497 | An, Peter (1517) | Lost 0-2 | -181482 |
| 2sealed | 1655 | Teeter, David (1343) | Won 2-1 | +161498 |
| 3sealed | 1687 | Troxel, Leroy (1500) | Lost 0-2 | -181480 |
| 4sealed | 1644 | Comella, Terrence (1483) | Lost 0-2 | -181462 |
| average opponent: 1461record: 1-3 | new rating: 1462 | |||