Martinez, Justin
Current rating: 1506
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 273 | Loppnow, David (1500) | Won 2-0 | +181541 |
| 2modern | 109 | Helgeland, Andrew (1518) | Lost 1-2 | -181523 |
| 3modern | 335 | Snyder, Joshua (1571) | Lost 0-2 | -181505 |
| 4modern | 413 | Owen, Jordan (1481) | Draw 1-1 | 01505 |
| 5modern | 353 | Beaulieu, Sam E (1537) | Lost 0-2 | -171488 |
| 6modern | 313 | Banal, Andrew (1489) | Won 2-0 | +181506 |
| top | average opponent: 1516record: 2-3-1 | new rating: 1506 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 159 | Burn, William (1500) | Won 2-1 | +171557 |
| 2standard | 51 | Ascalon, Jason (1590) | Won 2-0 | +191576 |
| 3standard | 213 | Castro, Robert (1746) | Lost 0-2 | -151561 |
| 4standard | 380 | Scharff, Carlo (1520) | Lost 0-2 | -191542 |
| 5standard | 293 | Varga, Karl (1499) | Lost 0-2 | -191523 |
| top | average opponent: 1571record: 2-3 | new rating: 1523 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 129 | Weiser, Daniel 2 (1465) | Lost 0-2 | -191481 |
| 2standard | 331 | Bouchard, Remy (1457) | Won 2-1 | +181499 |
| 3standard | 330 | McGhee, Joshua (1592) | Won 2-0 | +201519 |
| 4standard | 240 | Lyga, Brendan (1519) | Won 2-1 | +181537 |
| 5standard | 122 | Killeen, Tristan (1418) | Won 2-0 | +151552 |
| 6standard | 61 | Schneider, Daniel (1585) | Won 2-0 | +191571 |
| 7standard | 56 | Robinson, Bradley (1844) | Lost 0-2 | -131558 |
| 8standard | 133 | Burgett, Ambrose (1563) | Lost 1-2 | -181540 |
| top | average opponent: 1555record: 5-3 | new rating: 1540 | ||