Callahan, Chris
Current rating: 1450
Record: 2-5
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 410 | Lerner, Mark (1463) | Lost 0-2 | -191467 |
| 2sealed | 494 | Perez, Angel (1482) | Lost 0-2 | -171450 |
| average opponent: 1473record: 0-2 | new rating: 1450 | |||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 2 | Hubbard, Chelsea (1500) | Won 2-0 | +181518 |
| 2legacy | 64 | Wilkins, David (1518) | Won 2-0 | +181536 |
| 3legacy | 48 | Swartz, Noah (1789) | Lost 0-2 | -131523 |
| 4legacy | 125 | Witherell, Randal (1443) | Lost 0-2 | -201503 |
| 5legacy | 161 | Wertz, Walter (1540) | Lost 0-2 | -171486 |
| average opponent: 1558record: 2-3 | new rating: 1486 | |||