Duerden, Dan
Current rating: 1470
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 235 | Devlin, Ryan (1523) | Won 2-0 | +191504 |
| 2sealed | 196 | Caughie, Jeff (1517) | Lost 1-2 | -181486 |
| 3sealed | 270 | Larsson, Chris (1596) | Lost 0-2 | -161470 |
| 4sealed | 299 | Waldock, Tony (1504) | Won 2-0 | +191489 |
| 5sealed | 294 | Greene, Scott (1432) | Lost 1-2 | -191470 |
| top | average opponent: 1515record: 2-3 | new rating: 1470 | ||
| Grand Prix Vancouver 2017 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2055 | Sawchuk, Ryan (1500) | Lost 0-2 | -181484 |
| 2modern | 2374 | Noskiye, Kane (1487) | Won 2-0 | +181502 |
| 3modern | 2345 | Pullano, Nicholas (1499) | Won 2-0 | +181520 |
| 4modern | 2411 | Derksen, Geoff (1534) | Lost 0-2 | -181502 |
| 5modern | 2504 | Whomes, Christopher (1561) | Lost 1-2 | -171485 |
| top | average opponent: 1516record: 2-3 | new rating: 1485 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 429 | Chu, Joseph (1541) | Lost 0-2 | -171483 |
| 2sealed | 743 | Collins, Troy (1483) | Won 2-1 | +181501 |
| 3sealed | 698 | Converse, Brandon (1500) | Lost 0-0 | -181483 |
| 4sealed | 690 | Paquette, Martin (1467) | Draw 1-1 | -11482 |
| 5sealed | 635 | Hembroff, Alexander (1480) | Won 2-0 | +181500 |
| 6sealed | 494 | Fiddler, Wayne (1609) | Won 2-1 | +201520 |
| 7sealed | 366 | Kwiatkoski, Mitchel (1483) | Lost 0-2 | -181502 |
| top | average opponent: 1509record: 3-3-1 | new rating: 1502 | ||