Chapin, Matthew
Current rating: 1412
Record: 2-7
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 274 | Hillman, Dane (1500) | Lost 1-2 | -171447 |
| 2sealed | 259 | Edwards, Ryan (1481) | Lost 0-2 | -181429 |
| 3sealed | 398 | Farrington, Alex (1481) | Lost 0-2 | -171412 |
| average opponent: 1488record: 0-3 | new rating: 1412 | |||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 896 | Grover, James (1500) | Lost 1-2 | -181482 |
| 2sealed | 1254 | Chen, Yingzhe (1483) | Won 2-0 | +181500 |
| 3sealed | 1303 | Kich, Jeremy (1500) | Lost 0-2 | -181482 |
| 4sealed | 1299 | Layfield, John (1482) | Won 2-0 | +181500 |
| 5sealed | 1101 | Webster, Clint (1501) | Lost 0-2 | -181482 |
| 6sealed | 911 | Ruiz, Giovanni (1481) | Lost 0-2 | -181464 |
| average opponent: 1491record: 2-4 | new rating: 1464 | |||