Pierce, Barak
Current rating: 1501
Record: 3-3
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 161 | Allen, Ward (1527) | Won 2-0 | +181518 |
| 2sealed | 161 | Richter, Dillon Joe (1535) | Won 2-1 | +191537 |
| 3sealed | 161 | Radsliff, Elliot (1517) | Lost 0-2 | -191518 |
| 4sealed | 161 | Gonzalez, Rudy (1532) | Lost 0-2 | -171501 |
| 5sealed | 161 | Gadzinski, Grae (1535) | Won 2-0 | +181519 |
| 6sealed | 161 | Burklow, Taylor (1476) | Lost 1-2 | -181501 |
| average opponent: 1520record: 3-3 | new rating: 1501 | |||