Irwin, Douglas
Current rating: 1465
Record: 2-4
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 709 | Johnson, Eric5209 (1500) | Won 2-0 | +181518 |
| 2modern | 495 | Ahmed, Rami (1500) | Won 2-1 | +181536 |
| 3modern | 434 | Norman, Allen (1608) | Lost 0-2 | -171519 |
| 4modern | 516 | STALEY, DAVID (1518) | Lost 1-2 | -181501 |
| 5modern | 652 | Warner, Lonny (1499) | Lost 1-2 | -181483 |
| 6modern | 858 | Votas, Matthew (1488) | Lost 0-2 | -181465 |
| average opponent: 1519record: 2-4 | new rating: 1465 | |||