Grainger, Mark
Current rating: 1572
Record: 8-4-2
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 123 | Martin, Alexander (1545) | Won 2-0 | +181539 |
| 2sealed | 51 | Baker, Michael (1577) | Lost 1-2 | -171522 |
| 3sealed | 269 | Reid, Adam (1428) | Won 2-1 | +161538 |
| 4sealed | 265 | Sweany, Steven (1435) | Won 2-0 | +161554 |
| 5sealed | 136 | Keller, Justin (1539) | Won 2-0 | +181572 |
| 6sealed | 58 | Daley, Max (1554) | Won 2-0 | +181590 |
| 7sealed | 28 | Domocmat, Jeremy (1657) | Lost 1-2 | -171573 |
| 8sealed | 91 | Gilman, Alexander (1553) | Won 2-1 | +181591 |
| 9sealed | 65 | Chacon, Raymond (1575) | Lost 0-2 | -191572 |
| average opponent: 1540record: 6-3 | new rating: 1572 | |||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 500 | Hergenroeder, Joseph (1500) | Draw 1-1 | 01500 |
| 2standard | 368 | Moon, Changuk (1500) | Won 2-1 | +181518 |
| 3standard | 286 | Bailey, Chris J (1518) | Won 2-0 | +181536 |
| 4standard | 167 | Winburn, Derrick (1703) | Draw 1-1 | +31539 |
| 5standard | 288 | Williamson, John (1535) | Lost 1-2 | -181521 |
| average opponent: 1551record: 2-1-2 | new rating: 1521 | |||