Hartley, David
Current rating: 1479
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 305 | Abrams, Colton (1409) | Won 2-1 | +171497 |
| 2sealed | 14 | Rodriguez, Cesar (1501) | Lost 0-2 | -181479 |
| 3sealed | 499 | Cragg, Matthew (1517) | Lost 1-2 | -171462 |
| 4sealed | 403 | Mitchell, Zach (1354) | Won 2-0 | +161478 |
| 5sealed | 351 | Weber, Nikolas (1498) | Won 2-0 | +181496 |
| 6sealed | 189 | Horn, David (1522) | Lost 1-2 | -171479 |
| top | average opponent: 1467record: 3-3 | new rating: 1479 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 313 | Anderson, Joshua (1454) | Lost 0-2 | -191499 |
| 2sealed | 430 | Agnew, Sydney (1482) | Lost 1-2 | -181481 |
| 3sealed | 474 | Phillips, Corey (1465) | Won 2-0 | +181499 |
| 4sealed | 440 | Lemos Costa, Lucas (1481) | Lost 1-2 | -191480 |
| top | average opponent: 1471record: 1-3 | new rating: 1480 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 457 | Nugent, Mark (1500) | Won 2-0 | +181518 |
| 2sealed | 234 | Apgar, Kyle (1518) | Lost 1-2 | -181500 |
| 3sealed | 565 | Thuemler, Joseph (1541) | Won 2-0 | +191519 |
| 4sealed | 561 | Ludlam, Dwayne (1517) | Won 2-1 | +181537 |
| 5sealed | 385 | Rahn, Christian (1534) | Lost 0-2 | -181519 |
| 6sealed | 527 | Krupski, Jared (1541) | Lost 1-2 | -181501 |
| 7sealed | 506 | Goodman, Alex (1468) | Won 2-0 | +171518 |
| top | average opponent: 1517record: 4-3 | new rating: 1518 | ||