Clarke, David M
Current rating: 1556
Record: 9-6
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 66 | Candreva, Christopher (1429) | Lost 1-2 | -201503 |
| 2sealed | 263 | Mayer-Hall, Julius (1481) | Won 2-0 | +181521 |
| 3sealed | 258 | Aft, Dakota (1499) | Won 2-0 | +171538 |
| 4sealed | 194 | Clor, Brandon (1484) | Won 2-1 | +171555 |
| 5sealed | 98 | Knezevich, Blake (1619) | Lost 1-2 | -171538 |
| 6sealed | 135 | Amyx, Damon (1470) | Won 2-0 | +171555 |
| 7sealed | 140 | Yarrow, Simon (1592) | Won 2-1 | +191574 |
| 8sealed | 96 | Wanlass, Brendan (1570) | Lost 1-2 | -181556 |
| average opponent: 1518record: 5-3 | new rating: 1556 | |||
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 297 | Karns, Tristan (1484) | Won 2-0 | +181518 |
| 2sealed | 37 | Runnels, Bruce (1480) | Won 2-1 | +171535 |
| 3sealed | 97 | Butynski, Parker (1540) | Won 2-1 | +181553 |
| 4sealed | 6 | Calcano, Christian (1801) | Lost 1-2 | -131540 |
| 5sealed | 70 | Smith, Russell (1588) | Lost 0-2 | -181522 |
| 6sealed | 186 | Sullivan, Shea (1521) | Won 2-0 | +181540 |
| 7sealed | 93 | Ferraro, Casey (1559) | Lost 0-2 | -171523 |
| average opponent: 1568record: 4-3 | new rating: 1523 | |||