Vincent, Douglas
Current rating: 1410
| Grand Prix Portland 2018 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 508 | Hazlett, Jeremy (1466) | Lost 0-2 | -181446 |
| 2modern | 665 | Barrera, Jacob (1417) | Lost 0-2 | -181428 |
| 3modern | 741 | Maguire, Wesley (1464) | Lost 0-2 | -181410 |
| top | average opponent: 1449record: 0-3 | new rating: 1410 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 532 | Miller, Drew (1449) | Won 2-0 | +171534 |
| 2standard | 291 | Henson, Wesley (1518) | Lost 1-2 | -181516 |
| 3standard | 493 | Horn, Lee (1681) | Lost 0-2 | -151501 |
| 4standard | 506 | Rehman, Taymoor (1484) | Lost 0-2 | -191482 |
| 5standard | 630 | Gibson, Justice (1467) | Lost 1-2 | -181464 |
| top | average opponent: 1520record: 1-4 | new rating: 1464 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 37 | Braden, Tj (1500) | Won 2-0 | +181518 |
| 2modern | 279 | Manary, Micah (1482) | Lost 0-2 | -191499 |
| 3modern | 270 | Fondren, Roger (1481) | Lost 0-2 | -181481 |
| 4modern | 372 | Kalmring, Steven (1461) | Lost 1-2 | -181463 |
| 5modern | 405 | Rider, Brian (1485) | Won 2-0 | +181481 |
| 6modern | 313 | Varner, Brandon (1489) | Lost 0-2 | -181463 |
| 7modern | 291 | Thompson, Matthew (1464) | Won 2-1 | +181481 |
| 8modern | 85 | Bullard, Jeremy (1468) | Won 2-0 | +181499 |
| 9modern | 167 | Rodrigues, Dante (1516) | Won 2-0 | +181517 |
| top | average opponent: 1483record: 5-4 | new rating: 1517 | ||