McCullough, William
Current rating: 1504
Record: 3-3
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 107 | Ricci, Joseph (1616) | Won 2-1 | +201520 |
| 2sealed | 168 | Britten, Matt (1634) | Won 2-1 | +201540 |
| 3sealed | 158 | Stramaglia, Joe (1500) | Won 2-1 | +171557 |
| 4sealed | 71 | Paxton, Christopher (1541) | Lost 0-2 | -181539 |
| 5sealed | 77 | Thamert, Gage (1534) | Lost 1-2 | -181521 |
| 6sealed | 297 | Bender, Johnnie (1549) | Lost 1-2 | -171504 |
| average opponent: 1562record: 3-3 | new rating: 1504 | |||