Osborn, Jackson
Current rating: 1478
Record: 2-3
| Grand Prix Portland 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 261 | Sparling, Bryon (1409) | Won 2-0 | +161516 |
| 2modern | 6 | Swedberg, Andrew (1518) | Lost 0-2 | -181498 |
| 3modern | 381 | Delucchi, Brian (1440) | Lost 0-2 | -191479 |
| 4modern | 686 | Jackson, Cody (1354) | Won 2-1 | +161495 |
| 5modern | 618 | Choi, Michael (1538) | Lost 1-2 | -171478 |
| average opponent: 1452record: 2-3 | new rating: 1478 | |||