Trumbull, Kirk
Current rating: 1492
Record: 7-8
| Grand Prix Portland 2018 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 587 | Block, Liam (1500) | Won 2-1 | +181504 |
| 2modern | 127 | Lind, Daniel [USA] (1427) | Won 2-0 | +171521 |
| 3modern | 303 | Walterman, Austin (1643) | Lost 0-2 | -161505 |
| 4modern | 272 | Boston, Steven (1590) | Won 2-1 | +191524 |
| 5modern | 278 | Crowder, Daniel (1571) | Lost 1-2 | -171507 |
| 6modern | 339 | Finley, Christopher (1637) | Lost 0-2 | -151492 |
| average opponent: 1562record: 3-3 | new rating: 1492 | |||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 400 | Lewis, Rolando (1500) | Lost 0-2 | -181482 |
| 2standard | 474 | Smetana, Joe (1523) | Lost 0-2 | -171465 |
| 3standard | 112 | Servey, Alan (1464) | Lost 1-2 | -181447 |
| 4standard | 802 | Pyle, Milan (1445) | Won 2-0 | +181465 |
| 5standard | 662 | Fry, Joseph (1464) | Won 2-0 | +181483 |
| 6standard | 640 | Mei, Mike Songhao (1626) | Lost 0-2 | -161467 |
| 7standard | 582 | Harms, Dietrich (1464) | Won 2-1 | +181485 |
| 8standard | 473 | Wadsworth, Jared (1519) | Lost 1-2 | -171468 |
| 9standard | 392 | Anselmo, Daniel (1463) | Won 2-1 | +181486 |
| average opponent: 1496record: 4-5 | new rating: 1486 | |||