Umek, Sean
Current rating: 1444
Record: 1-4
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 62 | Grogan, William (1500) | Lost 0-2 | -181482 |
| 2standard | 276 | Goldstein, Nathan (1436) | Lost 0-2 | -191463 |
| 3standard | 417 | Blazejewski, Garrett (1463) | Lost 0-2 | -181445 |
| 4standard | 428 | Witte, Aidan (1391) | Won 2-0 | +171462 |
| 5standard | 398 | Kehoe, Michael (1465) | Lost 0-2 | -181444 |
| average opponent: 1451record: 1-4 | new rating: 1444 | |||