Preston, Stephen
Current rating: 1410
Record: 2-7
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 30 | Langit, Michael (1500) | Won 2-0 | +181518 |
| 2standard | 211 | Boblitt, Zach (1564) | Lost 0-2 | -171501 |
| 3standard | 466 | Campbell, Eric (1567) | Lost 0-2 | -171484 |
| 4standard | 612 | Allen, Damien (1480) | Lost 0-2 | -181466 |
| 5standard | 595 | Connolly, Kevin (1461) | Won 2-0 | +181484 |
| 6standard | 465 | Dreher, Gregory (1479) | Lost 0-2 | -181466 |
| 7standard | 508 | Howson, Cody (1461) | Lost 0-2 | -181448 |
| 8standard | 477 | Smith, Gerald (1379) | Lost 0-2 | -201428 |
| 9standard | 425 | Milewicz, Chris (1423) | Lost 0-2 | -181410 |
| average opponent: 1479record: 2-7 | new rating: 1410 | |||