Duncan, Brendon
Current rating: 1448
Record: 9-13-1
| Grand Prix Brisbane 2017 (modern) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 46 | Solomon, David (1621) | Won 2-0 | +211454 |
| 3modern | 60 | Smitheram, Alan (1454) | Won 2-1 | +181472 |
| 4modern | 35 | Lambie, Kyan (1540) | Won 2-0 | +191491 |
| 5modern | 1 | Atme, Amir (1572) | Lost 0-2 | -161475 |
| 6modern | 71 | Sturgiss, Chris (1476) | Won 2-1 | +181493 |
| 7modern | 15 | Fitzpatrick, Steven (1526) | Lost 0-2 | -181475 |
| 8modern | 116 | Hicks, Jason [AUS] (1590) | Lost 0-2 | -151460 |
| 9modern | 150 | Davies, Steve (1541) | Won 2-1 | +191479 |
| 10modern | 95 | Darcey, Simon (1591) | Lost 0-2 | -161463 |
| 11modern | 117 | Ha, Anthony (1533) | Won 2-0 | +191482 |
| 12modern | 80 | Brewer, Brendon (1544) | Lost 1-2 | -161466 |
| 13modern | 99 | Den Otter, Deon (1515) | Lost 1-2 | -181448 |
| top | average opponent: 1542record: 6-6 | new rating: 1448 | ||
| Grand Prix Sydney 2016 (EMN limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 139 | Feng, Tony (1588) | Draw 1-1 | +31446 |
| 3sealed | 858 | Spilhaus, Alan (1536) | Won 2-0 | +201466 |
| 4sealed | 143 | Nikolovski, Mihail (1572) | Lost 1-2 | -161450 |
| 5sealed | 253 | Zheng, Tianxiang (1517) | Lost 0-2 | -171433 |
| top | average opponent: 1553record: 1-2-1 | new rating: 1433 | ||
| Grand Prix Melbourne 2016 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 295 | Maitland, Jeremy (1362) | Lost 0-2 | -201463 |
| 2modern | 304 | Myconos, Paul (1353) | Won 2-0 | +161479 |
| 3modern | 376 | Sturiale, Giuseppe (1483) | Lost 1-2 | -181461 |
| 4modern | 446 | Kellock, Charles (1484) | Lost 0-2 | -181443 |
| top | average opponent: 1421record: 1-3 | new rating: 1443 | ||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 381 | Robinette, David (1500) | Won 2-0 | +181518 |
| 2sealed | 222 | Burger, Lewis (1497) | Lost 0-2 | -181500 |
| 3sealed | 238 | Holtzman, Paul (1578) | Lost 0-2 | -171483 |
| top | average opponent: 1525record: 1-2 | new rating: 1483 | ||