Marshbank, Jay
Current rating: 1479
Record: 4-5
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 204 | Jacky, Whitney (1502) | Lost 0-2 | -181482 |
| 2standard | 491 | Doiel, Zachary (1520) | Won 2-0 | +191501 |
| 3standard | 592 | Yihdego, Amanuel (1466) | Won 2-1 | +171518 |
| 4standard | 416 | Leary, Michael (1512) | Lost 1-2 | -181500 |
| 5standard | 533 | Turner, Jeremy (1413) | Won 2-0 | +161516 |
| 6standard | 303 | Brown, Jesse (1500) | Lost 0-2 | -181498 |
| 7standard | 462 | Smith, Chris (1426) | Lost 0-2 | -191479 |
| 8standard | 448 | Sulak, Andrew (1584) | Won 2-1 | +201499 |
| 9standard | 326 | Guggemos, Jim (1418) | Lost 1-2 | -201479 |
| average opponent: 1482record: 4-5 | new rating: 1479 | |||