Prieto, Sebastian
Current rating: 1477
Record: 4-6
| Grand Prix Portland 2018 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 582 | Bozarth, Alex (1499) | Won 2-1 | +191483 |
| 2modern | 242 | Thomas, Braham (1706) | Won 2-1 | +221505 |
| 3modern | 173 | Pascal, Brandon (1644) | Lost 0-2 | -161489 |
| 4modern | 260 | Hush, Jake (1514) | Won 2-1 | +191508 |
| 5modern | 214 | Goddard, Maxwell (1785) | Lost 1-2 | -131495 |
| 6modern | 446 | McArtor, Brad (1494) | Lost 0-2 | -181477 |
| average opponent: 1607record: 3-3 | new rating: 1477 | |||
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 494 | Gerou, Philip (1500) | Lost 1-2 | -181482 |
| 2legacy | 498 | Chlebowski, Joseph (1470) | Won 2-1 | +181500 |
| 3legacy | 645 | Mooers, Alexander (1468) | Lost 1-2 | -191481 |
| 4legacy | 704 | Leatherdale, Bailey (1523) | Lost 1-2 | -171464 |
| average opponent: 1490record: 1-3 | new rating: 1464 | |||