Corona, John
Current rating: 1463
Record: 1-3-1
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 520 | Kraft, Kyle (1500) | Won 2-0 | +181518 |
| 2sealed | 769 | Ball, Justin (1518) | Draw 1-1 | 01518 |
| 3sealed | 750 | Hoover, Robert (1483) | Lost 0-2 | -191499 |
| 4sealed | 837 | Ward, Eric (1500) | Lost 1-2 | -181481 |
| 5sealed | 784 | Rumenapp, Chris (1479) | Lost 0-2 | -181463 |
| average opponent: 1496record: 1-3-1 | new rating: 1463 | |||