Dexter, Marcus
Current rating: 1476
Record: 5-6
| Grand Prix Richmond 2014 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 527 | Smith, Anthony (1387) | Lost 0-2 | -201460 |
| 2modern | 483 | Chapman, Rob (1482) | Won 2-1 | +191479 |
| 3modern | 588 | Mills, Paul (1445) | Lost 0-2 | -191460 |
| 4modern | 516 | Johnson, Joshua (1321) | Won 2-1 | +161476 |
| 5modern | 455 | Helms, Sterling (1501) | Won 2-1 | +181494 |
| 6modern | 302 | DiJohn, Nicholas (1498) | Lost 1-2 | -181476 |
| average opponent: 1439record: 3-3 | new rating: 1476 | |||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 335 | Herrera, Alfredo (1506) | Won 2-1 | +181518 |
| 2sealed | 131 | Keck, Gary (1418) | Won 2-1 | +161534 |
| 3sealed | 59 | Swearinger, Joshua (1532) | Lost 0-2 | -181516 |
| 4sealed | 250 | Bishop, John (1501) | Lost 1-2 | -181498 |
| 5sealed | 335 | Fender, Tommie (1500) | Lost 1-2 | -181480 |
| average opponent: 1491record: 2-3 | new rating: 1480 | |||