Petroff, Steven
Current rating: 1493
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 256 | Kenyon, Christopher (1500) | Lost 1-2 | -191533 |
| 2sealed | 208 | Doctor, Patrick (1430) | Won 2-0 | +161549 |
| 3sealed | 181 | Evans, Clinton (1497) | Lost 0-2 | -191530 |
| 4sealed | 274 | Zerwick, Julius (1507) | Lost 1-2 | -181512 |
| 5sealed | 253 | Monay, Mark Bryan (1462) | Lost 0-2 | -191493 |
| top | average opponent: 1479record: 1-4 | new rating: 1493 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 483 | Colvin, Jeremy (1500) | Won 2-1 | +181537 |
| 2standard | 33 | Parks, Daniel (1520) | Won 2-1 | +171554 |
| 3standard | 207 | Medellin, Daniel (1469) | Won 2-1 | +171571 |
| 4standard | 21 | Sauve, Steven (1472) | Won 2-1 | +161587 |
| 5standard | 49 | Akers, Chris (1679) | Lost 1-2 | -161571 |
| 6standard | 137 | Wong, Michael 281 (1561) | Won 2-1 | +171588 |
| 7standard | 84 | Nagel, Cameron (1579) | Lost 1-2 | -181570 |
| 8standard | 179 | Piles, James (1556) | Lost 0-2 | -181552 |
| top | average opponent: 1542record: 5-3 | new rating: 1552 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 415 | Bowen, Wesley (1500) | Won 2-0 | +181518 |
| 2sealed | 205 | Rice, Bryant (1518) | Won 2-0 | +181536 |
| 3sealed | 116 | Smith, Greg (1700) | Lost 1-2 | -151521 |
| 4sealed | 350 | Neal, Katie (1449) | Won 2-0 | +171538 |
| 5sealed | 260 | Tan, Ralph (1518) | Lost 1-2 | -191519 |
| 6sealed | 307 | Cook, Aaron (1491) | Won 2-0 | +181537 |
| 7sealed | 307 | Vidricksen, Jeffrey (1539) | Lost 1-2 | -181519 |
| top | average opponent: 1531record: 4-3 | new rating: 1519 | ||