Hartglass, David
Current rating: 1450
Record: 3-6
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 99 | Nichols, Clark (1500) | Lost 0-2 | -181445 |
| 2legacy | 645 | Tracy, Dustin (1482) | Won 2-1 | +191464 |
| 3legacy | 574 | Atwell, Hale (1434) | Lost 1-2 | -191445 |
| 4legacy | 828 | Zickler, Andrew (1541) | Won 2-1 | +201465 |
| 5legacy | 559 | Ross, Robert (1626) | Lost 0-2 | -151450 |
| average opponent: 1516record: 2-3 | new rating: 1450 | |||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Wallace Jr, Dana (1479) | Won 2-1 | +181518 |
| 2sealed | 57 | Quinn, Serena (1533) | Lost 0-2 | -181500 |
| 3sealed | 247 | O'Higgins, Tadhg (1491) | Lost 1-2 | -181482 |
| 4sealed | 349 | Rutherford, Quillian (1418) | Lost 0-2 | -191463 |
| average opponent: 1480record: 1-3 | new rating: 1463 | |||