Halvonik, Mark
Current rating: 1453
Record: 1-4
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 15 | Corvese, Harry (1939) | Lost 0-2 | -101490 |
| 2standard | 430 | Langit, Michael (1482) | Won 2-0 | +171507 |
| 3standard | 556 | Cailloux, Jacob (1581) | Lost 1-2 | -161491 |
| 4standard | 597 | Priester III, David (1482) | Lost 1-2 | -181473 |
| 5standard | 580 | Appleton, Evan (1412) | Lost 0-2 | -201453 |
| average opponent: 1579record: 1-4 | new rating: 1453 | |||