Drum, Matthew
Current rating: 1569
Record: 9-6
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 216 | Easter, Justin (1510) | Lost 0-2 | -191531 |
| 2modern | 351 | Reed, Devlon (1484) | Won 2-0 | +171548 |
| 3modern | 320 | Roberson, Nicholas (1499) | Lost 0-0 | -191529 |
| 4modern | 545 | Wilson, Jacob [USA] (1538) | Won 2-1 | +181547 |
| 5modern | 385 | Marx, Matthew (1501) | Won 2-0 | +181565 |
| 6modern | 181 | Moreira, David (1530) | Won 2-0 | +171582 |
| 7modern | 138 | Craddock, William (1853) | Lost 0-2 | -131569 |
| average opponent: 1559record: 4-3 | new rating: 1569 | |||
| Grand Prix Omaha 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 108 | Dieter, Tyler (1519) | Lost 1-2 | -181482 |
| 2modern | 355 | McNeilly, Jacob (1483) | Won 2-0 | +181500 |
| 3modern | 418 | Morris, Malik (1341) | Won 2-1 | +151515 |
| 4modern | 295 | Poehling, Rick (1637) | Won 2-0 | +211536 |
| 5modern | 142 | Olson, Alexander (1535) | Lost 0-2 | -181518 |
| 6modern | 257 | Martin, Andrew (1590) | Won 2-1 | +191537 |
| 7modern | 186 | Majors, Michael (1912) | Won 2-1 | +251562 |
| 8modern | 124 | Anderson, Todd (1915) | Lost 1-2 | -121550 |
| average opponent: 1617record: 5-3 | new rating: 1550 | |||