Breymeyer, Isaac
Current rating: 1498
Record: 4-4
| Grand Prix Portland 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 314 | Kochel, Jeremy (1466) | Lost 1-2 | -191481 |
| 2modern | 666 | Sparling, Bryon (1392) | Won 2-0 | +171498 |
| 3modern | 680 | Polley, Ian (1422) | Won 2-1 | +161514 |
| 4modern | 406 | Le, Syrus (1617) | Lost 0-2 | -161498 |
| 5modern | 627 | Berg, Andrew (1562) | Lost 0-2 | -171481 |
| 6modern | 544 | Meyers, James (1437) | Lost 1-2 | -181463 |
| 7modern | 501 | Rose, Carter (1442) | Won 2-1 | +171480 |
| 8modern | 368 | James, Stuart (1463) | Won 2-0 | +181498 |
| average opponent: 1475record: 4-4 | new rating: 1498 | |||