Gronachan, Patrick
Current rating: 1431
Record: 2-6
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 166 | Davanzati, Marcus (1589) | Won 2-0 | +201520 |
| 2standard | 127 | Teel, Kevin (1518) | Lost 1-2 | -181502 |
| 3standard | 323 | Somers, Stu (1734) | Lost 1-2 | -141488 |
| 4standard | 406 | Debonis, Andrew (1484) | Lost 1-2 | -181470 |
| 5standard | 381 | Miller, Tim (1375) | Lost 1-2 | -201450 |
| 6standard | 366 | Herzog, Nate (1443) | Won 2-0 | +181468 |
| 7standard | 293 | Buchheit, Patrick (1464) | Lost 0-2 | -181450 |
| 8standard | 261 | Polglase, Samuel (1423) | Lost 0-2 | -191431 |
| average opponent: 1504record: 2-6 | new rating: 1431 | |||