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| # | White | Rating | Black | Rating | Result | Moves | ECO | Tournament | Date | |
|---|---|---|---|---|---|---|---|---|---|---|
| 45 | Simonson, J. | 621 | Porth, A. | 1191 | 0-1 | 13 | C42 | SIO | 14 Nov 2009 | |
| 165 | Simonson, J. | 727 | Porth, A. | 1306 | 0-1 | 32  | C00 | WIO (Reserve) | 14 Dec 2013 | |
| 214 | Simonson, J. | 800 | Porth, A. | 1337 | 0-1 | 27 | B11 | Idaho Closed | 13 Feb 2016 | |
| 260 | Simonson, J. | 689 | Porth, D. | 226 | 0-1 | 22 | C44 | Idaho Closed | 15 Feb 2009 | |
| 285 | Simonson, J. | 621 | Porth, A. | 1191 | 0-1 | 13 | C42 | SIO | 14 Nov 2009 | |
| 321 | Simonson, J. | 657 | Porth, D. | 669 | 0-1 | 67 | D00 | SIO (Reserve) | 13 Nov 2010 | |
| 375 | Simonson, J. | 627 | Porth, D. | 765 | 0-1 | 40 | B12 | SIO (Reserve) | 12 Nov 2011 | |
| 512 | Simonson, J. | 727 | Porth, A. | 1306 | 0-1 | 32 | C00 | WIO (Reserve) | 14 Dec 2013 | |
| 515 | Simonson, J. | 727 | Porth, D. | 1280 | 0-1 | 39 | A04 | WIO (Reserve) | 14 Dec 2013 | |
| 552 | Simonson, J. | 710 | Porth, D. | 928 | 1-0 | 43 | C01 | Idaho Closed | 17 Feb 2014 | |
| 583 | Porth, D. | 936 | Simonson, J. | 771 | ½-½ | 35 | C44 | Southern Idaho Op... | 08 Nov 2014 | |
| 642 | Simonson, J. | 800 | Porth, A. | 1337 | 0-1 | 27 | B11 | Idaho Closed | 13 Feb 2016 |