Mattison, Trey
Current rating: 1553
Record: 13-10-1
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 653 | Aker, James (1462) | Won 2-1 | +161567 |
| 2modern | 293 | Edelkamp, Fred (1792) | Lost 0-2 | -141553 |
| 3modern | 1091 | Siegrist, Kyle (1490) | Won 2-1 | +171570 |
| 4modern | 914 | Hayes, Brook (1485) | Won 2-0 | +171587 |
| 5modern | 628 | Schlegel, Thomas (1655) | Won 2-1 | +191606 |
| 6modern | 396 | Salguero, Christopher (1513) | Lost 1-2 | -201586 |
| 7modern | 680 | Strempke, Daniel (1542) | Lost 0-2 | -191567 |
| 8modern | 578 | Carle, Ian (1795) | Lost 1-2 | -141553 |
| top | average opponent: 1592record: 4-4 | new rating: 1553 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 194 | Cloy, Elston (1500) | Won 2-1 | +171574 |
| 2legacy | 324 | Hughes, Joshua (1448) | Won 2-0 | +161590 |
| 3legacy | 355 | Baxter III, Lincoln (1656) | Lost 0-2 | -171573 |
| 4legacy | 557 | Gay, Nathan (1585) | Won 2-0 | +181591 |
| 5legacy | 394 | Jenkins, Tracie (1475) | Lost 0-2 | -201571 |
| 6legacy | 655 | Baker, Sam [CAN] (1487) | Lost 0-2 | -201551 |
| 7legacy | 612 | Kling, Matthew (1563) | Won 2-0 | +191570 |
| 8legacy | 615 | Schramm, Justin (1527) | Lost 1-2 | -191551 |
| top | average opponent: 1530record: 4-4 | new rating: 1551 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 255 | Wheeler, Tyrell (1680) | Lost 1-2 | -151485 |
| 2legacy | 516 | Morrill, Ken (1482) | Won 2-1 | +181503 |
| 3legacy | 604 | Goff, Robert (1458) | Won 2-0 | +171520 |
| 4legacy | 414 | Dalgliesh, Eric (1534) | Won 2-1 | +191539 |
| 5legacy | 186 | Hickey, Brenden (1586) | Lost 0-2 | -181521 |
| 6legacy | 497 | Van Slyke, Andre (1518) | Won 2-1 | +181539 |
| 7legacy | 351 | Baker, Daniel (1525) | Won 2-0 | +181557 |
| 8legacy | 136 | Ouano, Jeff (1544) | Draw 1-1 | 01557 |
| top | average opponent: 1541record: 5-2-1 | new rating: 1557 | ||