Duffy, Damian
Current rating: 1488
Record: 3-4
| Grand Prix Toronto 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 207 | Zalewski, Shawn (1576) | Won 2-1 | +191519 |
| 2modern | 54 | Nelson, Spencer (1563) | Lost 1-2 | -171502 |
| 3modern | 453 | Fabi, Thomas (1499) | Won 2-0 | +181520 |
| 4modern | 315 | Regimbald, Francis (1581) | Lost 1-2 | -171503 |
| 5modern | 281 | Clough, Liam (1501) | Won 2-0 | +181521 |
| 6modern | 244 | Brine, Alexandra (1431) | Lost 1-2 | -191502 |
| 7modern | 276 | Champagne, Jeff (1777) | Lost 0-2 | -141488 |
| average opponent: 1561record: 3-4 | new rating: 1488 | |||