Martin, Don
Current rating: 1515
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 623 | Lawhorn, Jack (1500) | Won 2-1 | +181482 |
| 2sealed | 461 | Parbus, Brett (1518) | Won 2-0 | +191501 |
| 3sealed | 70 | Ward, Michael (1625) | Won 2-0 | +201521 |
| 4sealed | 90 | Mondon, Pierre (2049) | Won 0-0 | +271548 |
| 5sealed | 31 | Martin, Chase (1538) | Won 2-0 | +181566 |
| 6sealed | 24 | Hostutler, Justin (1800) | Lost 0-2 | -141552 |
| 7sealed | 45 | Parrish, Tyler (1549) | Lost 1-2 | -181534 |
| 8sealed | 88 | Creager, Kyle (1480) | Lost 0-2 | -191515 |
| top | average opponent: 1632record: 5-3 | new rating: 1515 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 15 | Bray, Nicholas (1500) | Lost 1-2 | -181482 |
| 2modern | 541 | Nelson, Daniel (1474) | Lost 0-2 | -181464 |
| top | average opponent: 1487record: 0-2 | new rating: 1464 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Waycaster, Robert J (1500) | Won 2-0 | +181518 |
| 2sealed | 154 | Dill, Ray (1521) | Lost 1-2 | -181500 |
| 3sealed | 345 | Fairchild, Stephen (1514) | Won 2-1 | +181518 |
| 4sealed | 194 | Flores, Melanie (1481) | Lost 1-2 | -181500 |
| top | average opponent: 1504record: 2-2 | new rating: 1500 | ||