Derzak, Paul
Current rating: 1542
Record: 5-3
| Grand Prix Toronto 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 98 | Pietrantonio, Daniel (1500) | Won 2-1 | +181518 |
| 2modern | 20 | Carlile, Chris (1592) | Won 2-1 | +191537 |
| 3modern | 18 | Wray, William (1524) | Lost 1-2 | -181519 |
| 4modern | 164 | Marcellana, Ian (1466) | Lost 1-2 | -191500 |
| 5modern | 322 | Harten, Charles (1499) | Won 2-0 | +181518 |
| 6modern | 280 | Morrill, Ethan (1587) | Won 2-0 | +191537 |
| 7modern | 236 | Jones, Nathan [CAN] (1817) | Won 2-1 | +231560 |
| 8modern | 116 | Ter Minassian, Thaddee (1549) | Lost 0-2 | -181542 |
| average opponent: 1567record: 5-3 | new rating: 1542 | |||