Pirro, Joseph
Current rating: 1495
Record: 5-5
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1151 | Komor, Russell (1441) | Lost 0-2 | -191495 |
| record: 0-1 | new rating: 1495 | |||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 279 | Shifflett, Patrick (1520) | Lost 0-2 | -181482 |
| 2sealed | 531 | Osyda, Eric (1518) | Won 2-1 | +191501 |
| 3sealed | 450 | Warren, Joshua (1468) | Lost 0-2 | -191482 |
| 4sealed | 449 | Jones, Tom (1433) | Won 2-1 | +181500 |
| 5sealed | 381 | Martin, Chester (1456) | Won 2-0 | +171517 |
| 6sealed | 292 | Green, Michael (1486) | Won 2-0 | +171534 |
| 7sealed | 124 | Wilson, Jake (1525) | Lost 1-2 | -181516 |
| 8sealed | 176 | Westbrook, Matthew (1416) | Lost 1-2 | -201496 |
| 9sealed | 166 | Brooks, Amy (1501) | Won 2-1 | +181514 |
| average opponent: 1480record: 5-4 | new rating: 1514 | |||