Petersen, Brian
Current rating: 1481
Record: 2-3
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 367 | Smith, Andrew (1425) | Lost 0-2 | -191481 |
| 2sealed | 474 | Melancon, Sean (1482) | Won 2-1 | +181499 |
| 3sealed | 371 | Betancourt, Daniel (1517) | Lost 0-2 | -181481 |
| 4sealed | 177 | Stoltzfus, Timothy (1478) | Won 2-1 | +181499 |
| 5sealed | 277 | Stone, Jeffrey (1508) | Lost 0-2 | -181481 |
| average opponent: 1482record: 2-3 | new rating: 1481 | |||