| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Wohl vs K Tjolsen |
| 1-0 | 62 | 2009 | Arctic Chess Challenge | B10 Caro-Kann |
| 27. K Tjolsen vs L J Bernal Moro |
| 0-1 | 55 | 2009 | Arctic Chess Challenge | A56 Benoni Defense |
| 28. E Forsaa vs K Tjolsen |
| ½-½ | 42 | 2009 | Arctic Chess Challenge | B14 Caro-Kann, Panov-Botvinnik Attack |
| 29. K Tjolsen vs H Groetz |
| 1-0 | 42 | 2009 | Arctic Chess Challenge | A09 Reti Opening |
| 30. K Tjolsen vs Westerinen |
| 1-0 | 38 | 2009 | Arctic Chess Challenge | A40 Queen's Pawn Game |
| 31. M J Turner vs K Tjolsen |
| ½-½ | 64 | 2009 | Arctic Chess Challenge | A37 English, Symmetrical |
| 32. K Tjolsen vs S Reginato |
| 1-0 | 36 | 2009 | World Junior Championship (Girls) | D80 Grunfeld |
| 33. N Paikidze vs K Tjolsen |
| 1-0 | 51 | 2009 | World Junior Championship (Girls) | B17 Caro-Kann, Steinitz Variation |
| 34. K Tjolsen vs N Flores |
| ½-½ | 56 | 2009 | World Junior Championship (Girls) | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 35. K Tjolsen vs S Amed |
| 1-0 | 43 | 2009 | World Junior Championship (Girls) | E77 King's Indian |
| 36. D Daulyte-Cornette vs K Tjolsen |
| 0-1 | 50 | 2009 | World Junior Championship (Girls) | B17 Caro-Kann, Steinitz Variation |
| 37. K Tjolsen vs X Zhang |
| ½-½ | 74 | 2009 | World Junior Championship (Girls) | E76 King's Indian, Four Pawns Attack |
| 38. B C Yildiz Kadioglu vs K Tjolsen |
| 0-1 | 40 | 2009 | World Junior Championship (Girls) | B30 Sicilian |
| 39. K Tjolsen vs I Werle |
| 0-1 | 37 | 2009 | World Junior Championship (Girls) | A30 English, Symmetrical |
| 40. K Tjolsen vs M Kiran |
| 0-1 | 40 | 2009 | World Junior Championship (Girls) | A35 English, Symmetrical |
| 41. K Tjolsen vs H Dronavalli |
| 0-1 | 30 | 2010 | Gibraltar Masters | E77 King's Indian |
| 42. A Fox vs K Tjolsen |
| 0-1 | 66 | 2010 | Gibraltar Masters | C67 Ruy Lopez |
| 43. K Tjolsen vs S Marder |
 | 1-0 | 28 | 2010 | Gibraltar Masters | B01 Scandinavian |
| 44. D Boskovic vs K Tjolsen |
| ½-½ | 64 | 2010 | Gibraltar Masters | B33 Sicilian |
| 45. K Tjolsen vs V Cmilyte |
| ½-½ | 55 | 2010 | Gibraltar Masters | B33 Sicilian |
| 46. J Bellon Lopez vs K Tjolsen |
| 1-0 | 58 | 2010 | Gibraltar Masters | A45 Queen's Pawn Game |
| 47. K Tjolsen vs R Freuler |
| 1-0 | 54 | 2010 | Gibraltar Masters | A04 Reti Opening |
| 48. K Tjolsen vs J Houska |
| 0-1 | 65 | 2010 | Gibraltar Masters | D15 Queen's Gambit Declined Slav |
| 49. N Pienabarca vs K Tjolsen |
| 0-1 | 57 | 2010 | Gibraltar Masters | A49 King's Indian, Fianchetto without c4 |
| 50. B Seitz vs K Tjolsen |
| 0-1 | 69 | 2010 | Gibraltar Masters | E11 Bogo-Indian Defense |
Kibitzing
