| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. H Brynjarsson vs B Sigurdsson |
 | 1-0 | 23 | 2011 | Reykjavik Open | B23 Sicilian, Closed |
| 27. B Sigurdsson vs A Plug |
| ½-½ | 28 | 2011 | Reykjavik Open | E40 Nimzo-Indian, 4.e3 |
| 28. S Puroila vs B Sigurdsson |
| 1-0 | 74 | 2011 | 8th South Wales Int | E15 Queen's Indian |
| 29. B Sigurdsson vs A Stone |
| ½-½ | 25 | 2011 | London Chess Classic Open | A05 Reti Opening |
| 30. A P Smith vs B Sigurdsson |
| 1-0 | 30 | 2011 | London Chess Classic Open | C22 Center Game |
| 31. B Sigurdsson vs C Maduekwe |
| ½-½ | 54 | 2011 | London Chess Classic Open | A15 English |
| 32. B Sigurdsson vs E H Jensson |
| 0-1 | 22 | 2012 | Reykjavik Open | B06 Robatsch |
| 33. M Murray vs B Sigurdsson |
| ½-½ | 14 | 2012 | Reykjavik Open | B23 Sicilian, Closed |
| 34. B Sigurdsson vs E Bjornsson |
| ½-½ | 26 | 2012 | Reykjavik Open | E67 King's Indian, Fianchetto |
| 35. C Andersson vs B Sigurdsson |
| ½-½ | 68 | 2012 | Reykjavik Open | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 36. D Calder vs B Sigurdsson |
| 1-0 | 21 | 2012 | Reykjavik Open | A46 Queen's Pawn Game |
| 37. B Sigurdsson vs K Lee |
| 0-1 | 35 | 2012 | Reykjavik Open | D10 Queen's Gambit Declined Slav |
| 38. B Sigurdsson vs N Sverrisson |
| ½-½ | 11 | 2012 | Reykjavik Open | A20 English |
| 39. H Haga vs B Sigurdsson |
| 1-0 | 30 | 2012 | Reykjavik Open | A46 Queen's Pawn Game |
| 40. B Sigurdsson vs R Giulian |
| ½-½ | 24 | 2012 | Scottish Championship | E46 Nimzo-Indian |
| 41. M Ridge vs B Sigurdsson |
| 1-0 | 37 | 2012 | Scottish Championship | A07 King's Indian Attack |
| 42. P Thomas vs B Sigurdsson |
| 1-0 | 60 | 2012 | Scottish Championship | A07 King's Indian Attack |
| 43. B Sigurdsson vs K McGeoch |
| 0-1 | 48 | 2012 | Scottish Championship | D10 Queen's Gambit Declined Slav |
| 44. A Floros vs B Sigurdsson |
| ½-½ | 17 | 2012 | Scottish Championship | C05 French, Tarrasch |
| 45. B Sigurdsson vs J Mclatchie |
| ½-½ | 20 | 2012 | Scottish Championship | E41 Nimzo-Indian |
| 46. K A Brown vs B Sigurdsson |
| ½-½ | 89 | 2012 | Scottish Championship | C02 French, Advance |
| 47. B Eriksson vs B Sigurdsson |
| 1-0 | 68 | 2012 | London Chess Classic Open | C15 French, Winawer |
| 48. B Sigurdsson vs M Dydak |
| ½-½ | 56 | 2012 | London Chess Classic Open | A83 Dutch, Staunton Gambit |
| 49. D Casiot vs B Sigurdsson |
| ½-½ | 27 | 2012 | London Chess Classic Open | C19 French, Winawer, Advance |
| 50. B Sigurdsson vs R C Cannon |
| ½-½ | 35 | 2012 | London Chess Classic Open | A10 English |
Kibitzing
