Peterson, Jonathan
Current rating: 1486
Record: 2-3
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 442 | Lopez, Richard (1505) | Lost 0-2 | -181482 |
| 2sealed | 630 | Tolson, Bear (1482) | Won 2-1 | +181500 |
| 3sealed | 313 | Brooks, Daniel (1697) | Lost 1-2 | -141486 |
| average opponent: 1561record: 1-2 | new rating: 1486 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 480 | Palacios, Herbert (1502) | Won 2-0 | +181518 |
| 2sealed | 706 | Elzeisa, Daniel (1518) | Lost 1-2 | -181500 |
| average opponent: 1510record: 1-1 | new rating: 1500 | |||