Petropoulos, Steven
Current rating: 1563
Record: 8-4-1
| Grand Prix Calgary 2019 (modern) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 336 | Ferreira, Marco (1434) | Lost 0-2 | -201513 |
| 2modern | 292 | Milligan, Tyler (1483) | Draw 1-1 | -11512 |
| 3modern | 382 | Dafoe, Bryce (1479) | Lost 0-2 | -181494 |
| 4modern | 420 | Scott, David [CAN] (1464) | Won 2-0 | +171511 |
| 5modern | 338 | LaPlante, Dominic (1472) | Won 2-0 | +171528 |
| 6modern | 257 | Kohut, Sean (1502) | Won 2-0 | +181546 |
| 7modern | 184 | Berg, Johann (1522) | Won 2-1 | +171563 |
| average opponent: 1479record: 4-2-1 | new rating: 1563 | |||
| Grand Prix Calgary 2013 (M14 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 179 | Janzen, Konrad (1500) | Won 0-0 | +181518 |
| 2standard | 199 | Lemp, Quan (1518) | Won 2-1 | +181536 |
| 3standard | 154 | Fiegen, Brandon (1535) | Lost 1-2 | -181518 |
| 4standard | 225 | Prince, Elijah (1397) | Lost 1-2 | -201498 |
| 5standard | 243 | Eichner, Benjamin (1465) | Won 2-1 | +171515 |
| 6standard | 186 | Maheswaran, Jon (1483) | Won 2-0 | +181533 |
| average opponent: 1483record: 4-2 | new rating: 1533 | |||