Baum, Brian
Current rating: 1413
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 798 | Locascio, Joseph (1477) | Lost 0-2 | -171413 |
| top | record: 0-1 | new rating: 1413 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 475 | Rodriguez, Miles (1498) | Lost 0-2 | -181466 |
| 2sealed | 680 | Gans, David (1481) | Lost 1-2 | -181448 |
| 3sealed | 692 | Hulse, Kevin (1426) | Lost 0-2 | -181430 |
| top | average opponent: 1469record: 0-3 | new rating: 1430 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 130 | Paolillo, Guy J (1500) | Won 2-0 | +181518 |
| 2legacy | 320 | Hunt, Tim R (1613) | Lost 1-2 | -161502 |
| 3legacy | 450 | Maracle, Thomas (1500) | Lost 0-2 | -181484 |
| top | average opponent: 1538record: 1-2 | new rating: 1484 | ||