Petersen, Justin
Current rating: 1609
Record: 10-5
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 207 | Darby, Joseph (1408) | Won 2-0 | +161516 |
| 2standard | 120 | Hall, Brian (1438) | Won 2-0 | +171533 |
| 3standard | 197 | McIntyre, James (1574) | Won 2-1 | +191552 |
| 4standard | 79 | Bower, Richard (1493) | Won 2-0 | +171569 |
| 5standard | 17 | Vaughn, Brian (1569) | Won 2-0 | +181587 |
| 6standard | 9 | Terpening, Justin (1563) | Lost 1-2 | -191568 |
| 7standard | 58 | Cowden, Nick (1581) | Won 2-1 | +181586 |
| 8standard | 33 | Cochran, Hunter (1996) | Won 2-1 | +251611 |
| 9standard | 73 | Myers, Jeromy (1757) | Lost 0-2 | -151596 |
| 10standard | 104 | Sacks, Neal (1838) | Won 2-0 | +221618 |
| 11standard | 69 | Zhang, Bolun (2035) | Lost 0-2 | -101608 |
| 12standard | 82 | Yurchick, Adam (1712) | Won 2-0 | +201628 |
| 13standard | 85 | Bodee, Roger (1705) | Won 2-0 | +191647 |
| 14standard | 70 | Cotrupe, Matthew (1672) | Lost 1-2 | -181629 |
| 15standard | 90 | Ruiz, Matthew (1495) | Lost 1-2 | -201609 |
| average opponent: 1656record: 10-5 | new rating: 1609 | |||