Hirt, Douglas
Current rating: 1457
| Grand Prix Quebec City 2015 (BFZ standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 152 | Bentley, Johnathan (1595) | Draw 1-1 | +31456 |
| 2standard | 181 | Gignac, Claude (1417) | Won 2-0 | +171473 |
| 3standard | 176 | Chenard, Julien (1530) | Lost 1-2 | -171456 |
| 4standard | 261 | Chu, Chris (1498) | Draw 1-1 | +11457 |
| top | average opponent: 1510record: 1-1-2 | new rating: 1457 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Peet, Matthew (1500) | Won 2-1 | +181487 |
| 2standard | 200 | Xidea, Ronald (1524) | Lost 0-2 | -171470 |
| 3standard | 326 | Hill, Christopher (1515) | Lost 1-2 | -171453 |
| 4standard | 415 | Cerkanowicz, Andrew (1450) | Won 2-1 | +181471 |
| 5standard | 364 | Iliev, Lubo (1498) | Lost 0-2 | -181453 |
| top | average opponent: 1497record: 2-3 | new rating: 1453 | ||
| Grand Prix Montreal 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 192 | Ledvinka, David (1647) | Lost 1-2 | -151485 |
| 4sealed | 127 | Campbell, Samuel (1504) | Won 2-1 | +181503 |
| 5sealed | 192 | Page, Stephane (1532) | Lost 0-2 | -171486 |
| 6sealed | 192 | Johnson, Courtney (1538) | Lost 1-2 | -171469 |
| top | average opponent: 1555record: 1-3 | new rating: 1469 | ||