| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. P Theulings vs A Deviatkin |
| 0-1 | 21 | 2009 | Groningen Open | D38 Queen's Gambit Declined, Ragozin Variation |
| 27. P Theulings vs M Berkovich |
| 0-1 | 44 | 2009 | Groningen Open | A04 Reti Opening |
| 28. A Haast vs P Theulings |
| 1-0 | 34 | 2009 | Groningen Open | B03 Alekhine's Defense |
| 29. P Theulings vs E Sparenberg |
| ½-½ | 9 | 2009 | Groningen Open | E69 King's Indian, Fianchetto, Classical Main line |
| 30. P Theulings vs C van Oosterom |
| ½-½ | 80 | 2010 | Schaakfestival Open A | A37 English, Symmetrical |
| 31. Baklan vs P Theulings |
| 1-0 | 29 | 2010 | Schaakfestival Open A | B04 Alekhine's Defense, Modern |
| 32. B Firat vs P Theulings |
| 0-1 | 30 | 2011 | Groningen Open-A | B03 Alekhine's Defense |
| 33. P Theulings vs H Poetsch |
 | 0-1 | 26 | 2011 | Groningen Open-A | A17 English |
| 34. D Brandenburg vs P Theulings |
| 1-0 | 79 | 2011 | Groningen Open-A | B03 Alekhine's Defense |
| 35. P Theulings vs R Rietveld |
| ½-½ | 27 | 2011 | Groningen Open-A | D44 Queen's Gambit Declined Semi-Slav |
| 36. P Theulings vs A Clemens |
| 0-1 | 25 | 2011 | Groningen Open-A | E63 King's Indian, Fianchetto, Panno Variation |
| 37. E Sparenberg vs P Theulings |
| ½-½ | 23 | 2011 | Groningen Open-A | B03 Alekhine's Defense |
| 38. P Theulings vs B Pel |
| 0-1 | 44 | 2011 | Groningen Open-A | A04 Reti Opening |
| 39. J van Overdam vs P Theulings |
| 1-0 | 25 | 2011 | Groningen Open-A | B02 Alekhine's Defense |
| 40. P Theulings vs A Bezemer |
| ½-½ | 18 | 2012 | 2nd Science Park Open A | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 41. E Gullaksen vs P Theulings |
| 1-0 | 32 | 2012 | 2nd Science Park Open A | E17 Queen's Indian |
| 42. P Theulings vs J P Wallace |
| 0-1 | 48 | 2012 | Groningen Open | A15 English |
| 43. T Mamedjarova vs P Theulings |
| 1-0 | 63 | 2012 | Groningen Open | B02 Alekhine's Defense |
| 44. P Theulings vs P Hummel |
| 1-0 | 42 | 2012 | Groningen Open | A04 Reti Opening |
| 45. W Heemskerk vs P Theulings |
| ½-½ | 16 | 2012 | Groningen Open | A14 English |
| 46. L Kuling vs P Theulings |
| ½-½ | 46 | 2012 | Groningen Open | A00 Uncommon Opening |
| 47. D de Ruiter vs P Theulings |
| ½-½ | 24 | 2012 | Groningen Open | E06 Catalan, Closed, 5.Nf3 |
| 48. D Lobzhanidze vs P Theulings |
| 1-0 | 53 | 2013 | Groningen Chess Festival | B03 Alekhine's Defense |
| 49. P Theulings vs M Mostertman |
| 0-1 | 29 | 2013 | Groningen Chess Festival | A15 English |
| 50. K Gutkind vs P Theulings |
| 0-1 | 85 | 2013 | Groningen Chess Festival | B04 Alekhine's Defense, Modern |
Kibitzing
