Winchester, Gregory
Current rating: 1506
Record: 6-6
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Springer, Michael (1466) | Won 2-0 | +161562 |
| 2sealed | 12 | Mellor, Brendan (1511) | Lost 0-2 | -191543 |
| 3sealed | 263 | Gaede, Steven (1485) | Lost 1-2 | -191524 |
| 4sealed | 216 | Rincione, Joseph (1484) | Lost 0-2 | -181506 |
| average opponent: 1486record: 1-3 | new rating: 1506 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 497 | Lee, Mon (1752) | Won 2-1 | +231523 |
| 2sealed | 523 | Barlow, Robert (1500) | Lost 1-2 | -191504 |
| 3sealed | 722 | Engle, David Aaron (1593) | Won 2-0 | +201524 |
| 4sealed | 824 | Franks, Cameron (1521) | Won 2-0 | +181542 |
| 5sealed | 657 | Bollin, Brian (1537) | Won 2-1 | +181560 |
| 6sealed | 436 | Meijer, Rudy (1573) | Lost 1-2 | -181542 |
| 7sealed | 448 | Whilden, Matthew (1632) | Won 2-1 | +191561 |
| 8sealed | 337 | Brower, Jeremy (1694) | Lost 0-2 | -151546 |
| average opponent: 1600record: 5-3 | new rating: 1546 | |||