McGaughey, Donald
Current rating: 1378
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Gruneich, Bryce (1500) | Lost 0-2 | -171412 |
| 2sealed | 349 | Badger, Tim (1482) | Lost 0-2 | -171395 |
| 3sealed | 411 | McGouirk, Bill (1465) | Lost 0-2 | -171378 |
| top | average opponent: 1482record: 0-3 | new rating: 1378 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 424 | Kriehn, Kyle (1478) | Lost 0-2 | -181446 |
| 2sealed | 402 | Molek, Jason (1482) | Lost 0-2 | -171429 |
| top | average opponent: 1480record: 0-2 | new rating: 1429 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 571 | Baker, James E (1481) | Lost 1-2 | -181482 |
| 2sealed | 636 | Tedrow, Dennis (1482) | Lost 1-2 | -181464 |
| top | average opponent: 1482record: 0-2 | new rating: 1464 | ||