| Tournament | Round | Jeff Chelton | Bob Jackman |
| 08.06.1998 Victorian Championships (VIC) | 4 | 275 | 410 |
| 20.06.1998 Wollongong Marj Babb (NSW) | 3 | 280 | 500 |
| 01.10.2001 New South Wales Championships (NSW) | 3 | 357 | 453 |
| 24.03.2003 Blue Mountains (NSW) | 3 | 339 | 384 |
| 06.10.2003 NSW Championships (NSW) | 10 | 358 | 484 |
| 04.02.2007 Kempsey Challenge (NSW) | 3 | 365 | 382 |
| 24.03.2008 Australian Championship (VIC) | 7 | 351 | 486 |
| 06.02.2011 Kempsey 2011 (NSW) | 2 | 342 | 368 |
| 17.04.2016 Tristate Challenge (NSW) | 3 | 296 | 453 |
| Head-to-head after 9 games | 0 | 9 | |
| Average score | 329.22 | 435.55 | |
| Spread: | -957 | 957 | |