Petko, Stephen
Current rating: 1446
Record: 3-6
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 158 | Grap, Bartholomew (1472) | Lost 0-2 | -191481 |
| 2standard | 523 | Maurer, John (1482) | Lost 0-2 | -171464 |
| 3standard | 777 | Kalavoda, Jesse (1464) | Won 2-0 | +181482 |
| 4standard | 595 | Bradley, Shane (1486) | Lost 0-2 | -181464 |
| 5standard | 718 | Laikin, Stephan (1442) | Lost 1-2 | -191445 |
| 6standard | 690 | Petitt, Dylan (1455) | Lost 0-2 | -181427 |
| 7standard | 637 | McAtee, Joshua (1440) | Won 2-0 | +191446 |
| 8standard | 542 | Acosta, Joshua (1453) | Lost 0-2 | -181428 |
| 9standard | 125 | Hodgins, Sean (1428) | Won 2-0 | +181446 |
| average opponent: 1458record: 3-6 | new rating: 1446 | |||