Martinez, Gregory
Current rating: 1397
Record: 5-12-1
| Grand Prix Atlanta 2018 (modern) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 255 | Lutz, Chaz (1499) | Won 2-1 | +201426 |
| 2modern | 142 | Altman, Amy (1489) | Won 2-1 | +191445 |
| 3modern | 313 | Turk, Lloyd (1447) | Lost 1-2 | -181427 |
| 4modern | 275 | Lackey, Russell (1534) | Lost 0-2 | -161411 |
| 5modern | 488 | Harris, Alexander (1634) | Lost 0-2 | -141397 |
| top | average opponent: 1521record: 2-3 | new rating: 1397 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1416 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 491 | Boone, Zac (1480) | Lost 1-2 | -171399 |
| 2sealed | 627 | Puleio, Frankie (1498) | Lost 1-2 | -161383 |
| 3sealed | 921 | Dort, Brandon (1465) | Won 2-1 | +201403 |
| 4sealed | 686 | Creech, Andrew (1539) | Won 2-1 | +201423 |
| 5sealed | 470 | Landis, Aaron (1502) | Draw 1-1 | +21425 |
| 6sealed | 574 | Jenkins, Mark (1403) | Lost 1-2 | -191406 |
| top | average opponent: 1481record: 2-3-1 | new rating: 1406 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 49 | Stewart, Mike (1497) | Lost 1-2 | -171413 |
| 2standard | 513 | Morin, Michal (1482) | Won 2-1 | +191432 |
| 3standard | 564 | Fletcher, Eric (1541) | Lost 0-2 | -161416 |
| top | average opponent: 1507record: 1-2 | new rating: 1416 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 307 | Wade, Brian (1590) | Lost 1-2 | -161484 |
| 2sealed | 569 | Wulfridge, Phillip (1481) | Lost 0-2 | -181466 |
| 3sealed | 744 | Harris, Alanson (1463) | Lost 1-2 | -181448 |
| 4sealed | 777 | Jetha, David (1461) | Lost 0-2 | -181430 |
| top | average opponent: 1499record: 0-4 | new rating: 1430 | ||