| Tournament | Round | Margaret Gibson | Daniel Piechnick |
| 18.07.2010 SA Pub July (SA) | 5 | 295 | 525 |
| 10.10.2010 SA October (SA) | 5 | 372 | 449 |
| 06.02.2011 SA February (SA) | 1 | 436 | 446 |
| 26.06.2011 June Pub Tourney (SA) | 2 | 291 | 481 |
| 29.07.2012 July Pub Tourney (SA) | 4 | 382 | 394 |
| 26.12.2012 Christmas Leftovers (SA) | 4 | 346 | 485 |
| 13.01.2013 January Pub Tourney (SA) | 4 | 285 | 458 |
| 26.01.2013 SA January (SA) | 6 | 339 | 495 |
| 26.10.2014 Pub Battle of the Sexes (SA) | 3 | 345 | 490 |
| 13.03.2016 SA Championship (SA) | 8 | 346 | 448 |
| 18.06.2016 June SA Scrabble (SA) | 3 | 364 | 469 |
| 03.06.2017 June 4-4 (SA) | 7 | 381 | 432 |
| 20.01.2018 Jan 4-4-4 (SA) | 5 | 313 | 454 |
| 06.10.2018 October (SA) | 6 | 307 | 544 |
| 19.01.2020 SA JANUARY (SA) | 5 | 383 | 430 |
| Head-to-head after 15 games | 0 | 15 | |
| Average score | 345.66 | 466.66 | |