| Tournament | Round | Margot Carnachan | Trish Brighton |
| 31.07.2005 KKO Round Robin (QLD) | 3 | 305 | 385 |
| 31.07.2005 KKO Round Robin (QLD) | 8 | 402 | 418 |
| 12.11.2005 Cleveland (QLD) | 1 | 331 | 420 |
| 09.04.2006 Coorparoo Warmup Marathon (QLD) | 6 | 307 | 400 |
| 29.10.2006 Mindbenders Sunday (QLD) | 2 | 308 | 366 |
| 28.10.2007 Mindbenders Tournament (QLD) | 1 | 330 | 467 |
| 17.11.2007 Cleveland (QLD) | 6 | 312 | 461 |
| 29.08.2010 Qld Championships (QLD) | 8 | 441 | 394 |
| 12.03.2011 Redland Bay (QLD) | 7 | 336 | 321 |
| 03.04.2011 Foolishly April (QLD) | 1 | 323 | 374 |
| Head-to-head after 10 games | 2 | 8 | |
| Average score | 339.5 | 400.6 | |
| Spread: | -611 | 611 | |