| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. G Thorhallsson vs T Olafsson |
| 0-1 | 50 | 2006 | Reykjavik Open | C84 Ruy Lopez, Closed |
| 77. B Magnusson vs G Thorhallsson |
| 0-1 | 33 | 2006 | Reykjavik Open | E15 Queen's Indian |
| 78. G Thorhallsson vs S Bjornsson |
| ½-½ | 49 | 2006 | Reykjavik Open | C42 Petrov Defense |
| 79. E Moskow vs G Thorhallsson |
| 1-0 | 30 | 2006 | Reykjavik Open | A10 English |
| 80. R Hedler vs G Thorhallsson |
| 0-1 | 48 | 2007 | Politiken Cup | E00 Queen's Pawn Game |
| 81. G Thorhallsson vs Krasenkow |
| 0-1 | 55 | 2007 | Politiken Cup | B02 Alekhine's Defense |
| 82. P Green vs G Thorhallsson |
| 0-1 | 35 | 2007 | Politiken Cup | A04 Reti Opening |
| 83. G Thorhallsson vs R C Cannon |
| 1-0 | 35 | 2007 | Politiken Cup | B07 Pirc |
| 84. T Hirneise vs G Thorhallsson |
| 1-0 | 55 | 2007 | Politiken Cup | B63 Sicilian, Richter-Rauzer Attack |
| 85. G Thorhallsson vs C Jepson |
| 0-1 | 40 | 2007 | Politiken Cup | C77 Ruy Lopez |
| 86. C Markgraf vs G Thorhallsson |
| 0-1 | 39 | 2007 | Politiken Cup | C24 Bishop's Opening |
| 87. G Thorhallsson vs B Svanholm |
| 1-0 | 27 | 2007 | Politiken Cup | B92 Sicilian, Najdorf, Opocensky Variation |
| 88. S Maze vs G Thorhallsson |
| 1-0 | 28 | 2009 | Reykjavik Open | B50 Sicilian |
| 89. G Thorhallsson vs K Eliasson |
| ½-½ | 23 | 2009 | Reykjavik Open | A42 Modern Defense, Averbakh System |
| 90. H Thorsteinsdottir vs G Thorhallsson |
| 0-1 | 45 | 2009 | Reykjavik Open | B07 Pirc |
| 91. G Thorhallsson vs T Roussel-Roozmon |
| 0-1 | 47 | 2009 | Reykjavik Open | B28 Sicilian, O'Kelly Variation |
| 92. V Vigfusson vs G Thorhallsson |
| ½-½ | 12 | 2009 | Reykjavik Open | C45 Scotch Game |
| 93. G Thorhallsson vs S Bergsson |
| ½-½ | 10 | 2009 | Reykjavik Open | C68 Ruy Lopez, Exchange |
| 94. S Thorgeirsson vs G Thorhallsson |
| 0-1 | 49 | 2009 | Reykjavik Open | B22 Sicilian, Alapin |
| 95. G Thorhallsson vs B Thorfinnsson |
 | 0-1 | 10 | 2009 | Reykjavik Open | C60 Ruy Lopez |
| 96. S F Gudmundsson vs G Thorhallsson |
| 1-0 | 55 | 2009 | Reykjavik Open | A07 King's Indian Attack |
| 97. G Thorhallsson vs I Vignisson |
| 1-0 | 29 | 2011 | Reykjavik Open | B90 Sicilian, Najdorf |
| 98. H Ziska vs G Thorhallsson |
| 1-0 | 19 | 2011 | Reykjavik Open | C78 Ruy Lopez |
| 99. G Thorhallsson vs S Mihajlov |
| 1-0 | 51 | 2011 | Reykjavik Open | C91 Ruy Lopez, Closed |
| 100. T Thorhallsson vs G Thorhallsson |
| 1-0 | 34 | 2011 | Reykjavik Open | C53 Giuoco Piano |
Kibitzing
