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| # | White | Rating | Black | Rating | Result | Moves | ECO | Tournament | Date | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1156 | Taylor, S. | 1503 | Simonson, J. | 601 | 1-0 | 9  | C57 | Idaho Closed | 15 Feb 2020 | |
| 1155 | Taylor, S. | 1503 | Simonson, J. | 601 | 1-0 | 9 | C57 | Idaho Closed | 15 Feb 2020 | |
| 1117 | Simonson, J. | 601 | Aderogba, T. | 1328 | 0-1 | 15 | C23 | Idaho Closed | 15 Feb 2020 | |
| 1116 | Simonson, J. | 601 | Aderogba, T. | 1328 | 0-1 | 15 | C23 | Idaho Closed | 15 Feb 2020 | |
| 1014 | Simonson, J. | 601 | Zhang, J. | 656 | 1-0 | 1 | A00 | Idaho Closed | 17 Feb 2020 | |
| 1013 | Simonson, J. | 601 | Zhang, J. | 656 | 1-0 | 1 | A00 | Idaho Closed | 17 Feb 2020 | |
| 1012 | Simonson, J. | 710 | Porth, D. | 1-0 | 43 | C01 | Idaho Closed | 31 Mar 2020 | ||
| 987 | Simonson, J. | 601 | Gao, A. | 585 | 1-0 | 27 | C23 | Idaho Closed | 17 Feb 2020 | |
| 986 | Simonson, J. | 601 | Gao, A. | 585 | 1-0 | 27 | C23 | Idaho Closed | 17 Feb 2020 | |
| 975 | Simonson, J. | 800 | Saltaga, S. | 0-1 | 42 | B30 | Idaho Closed | 15 Feb 2016 | ||
| 957 | Nyblade III, W. | 1217 | Simonson, J. | 800 | 1-0 | 42 | A00 | Idaho Closed | 15 Feb 2016 | |
| 942 | Simonson, J. | 800 | Aderogba, T. | 1122 | ½-½ | 32 | A00 | Idaho Closed | 14 Feb 2016 | |
| 926 | Callen, G. | Simonson, J. | 800 | 0-1 | 33 | B23 | Idaho Closed | 14 Feb 2016 | ||
| 904 | Simonson, J. | 800 | Porth, A. | 1337 | 0-1 | 27 | B11 | Idaho Closed | 13 Feb 2016 | |
| 885 | Derryberry, D. | 1719 | Simonson, J. | 800 | 1-0 | 48 | D00 | Idaho Closed | 13 Feb 2016 | |
| 872 | Simonson, J. | 751 | Nathan, J. | 1395 | 0-1 | 37 | B54 | Idaho Closed | 16 Feb 2015 | |
| 857 | Longhurst, C. | 1505 | Simonson, J. | 751 | 1-0 | 36 | D02 | Idaho Closed | 16 Feb 2015 | |
| 847 | Simonson, J. | 751 | Wray, J. | 1453 | 1-0 | 33 | C40 | Idaho Closed | 15 Feb 2015 | |
| 835 | Nathan, O. | 481 | Simonson, J. | 751 | 0-1 | 27 | B30 | Idaho Closed | 15 Feb 2015 | |
| 818 | Simonson, J. | 751 | Zaklan, D. | 1483 | 0-1 | 36 | B10 | Idaho Closed | 14 Feb 2015 | |
| 804 | Inman, J. | 1650 | Simonson, J. | 751 | 1-0 | 28 | C70 | Idaho Closed | 14 Feb 2015 | |
| 792 | Simonson, J. | 710 | Porth, D. | 928 | 1-0 | 43 | C01 | Idaho Closed | 17 Feb 2014 | |
| 780 | Simonson, J. | 710 | Looney, D. | 1615 | 0-1 | 43 | B08 | Idaho Closed | 17 Feb 2014 | |
| 771 | Patterson, K. | 1222 | Simonson, J. | 710 | 1-0 | 29 | B29 | Idaho Closed | 16 Feb 2014 | |
| 760 | Simonson, J. | 710 | Crowson, K. | 521 | 1-0 | 63 | B23 | Idaho Closed | 16 Feb 2014 | |
| 745 | Mabry, W. | 1279 | Simonson, J. | 710 | 1-0 | 50 | D04 | Idaho Closed | 15 Feb 2014 | |
| 734 | Simonson, J. | 710 | Lang, J. | 1470 | 0-1 | 57 | C24 | Idaho Closed | 15 Feb 2014 | |
| 723 | Taylor, S. | 1389 | Simonson, J. | 763 | 1-0 | 10 | C57 | Idaho Closed | 18 Feb 2013 | |
| 705 | Simonson, J. | 763 | Arp, J. | 0-1 | 11 | B23 | Idaho Closed | 17 Feb 2013 | ||
| 693 | Machin, A. | Simonson, J. | 763 | 1-0 | 22 | B23 | Idaho Closed | 17 Feb 2013 | ||
| 680 | Simonson, J. | 763 | Knoll, L. | 1060 | 0-1 | 34 | B01 | Idaho Closed | 16 Feb 2013 | |
| 576 | Simonson, J. | 565 | Healy, M. | 188 | ½-½ | 32 | B07 | Idaho Closed | 21 Feb 2011 | |
| 564 | Simonson, J. | 565 | Looney, D. | 1593 | 0-1 | 44 | B12 | Idaho Closed | 21 Feb 2011 | |
| 548 | Bartell, F. | 1604 | Simonson, J. | 565 | 1-0 | 35 | A13 | Idaho Closed | 20 Feb 2011 | |
| 529 | Douglas, K. | 1671 | Simonson, J. | 565 | 1-0 | 32 | B54 | Idaho Closed | 20 Feb 2011 | |
| 522 | Simonson, J. | 565 | Buckendorf Jr., G. | 1800 | 1-0 | 40 | C55 | Idaho Closed | 19 Feb 2011 | |
| 380 | Patterson, K. | 1017 | Simonson, J. | 689 | 1-0 | 66 | C51 | Idaho Closed | 16 Feb 2009 | |
| 368 | Simonson, J. | 689 | Min, M. | 360 | 1-0 | 36 | C55 | Idaho Closed | 16 Feb 2009 | |
| 353 | Featherston, S. | 815 | Simonson, J. | 689 | 1-0 | 31 | C23 | Idaho Closed | 15 Feb 2009 | |
| 337 | Simonson, J. | 689 | Porth, D. | 226 | 0-1 | 22 | C44 | Idaho Closed | 15 Feb 2009 | |
| 301 | Glodt, O. | Simonson, J. | 639 | 1-0 | 14 | C45 | Idaho Closed | 19 Feb 2007 | ||
| 281 | Simonson, J. | 639 | Patterson, K. | 732 | 0-1 | 19 | C23 | Idaho Closed | 19 Feb 2007 | |
| 260 | Patterson, E. | 327 | Simonson, J. | 639 | 1-0 | 49 | C55 | Idaho Closed | 18 Feb 2007 | |
| 239 | Zack, A. | Simonson, J. | 639 | 1-0 | 24 | C25 | Idaho Closed | 18 Feb 2007 | ||
| 217 | Simonson, J. | 639 | Maguire, J. | 1242 | ½-½ | 54 | C00 | Idaho Closed | 17 Feb 2007 | |
| 194 | Eacker, B. | 1675 | Simonson, J. | 639 | 1-0 | 38 | A09 | Idaho Closed | 17 Feb 2007 |