| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 76. P E Rossiter vs I L Thomas |
| 0-1 | 29 | 1987 | British Championship | A80 Dutch |
| 77. I L Thomas vs J Gallagher |
| 0-1 | 36 | 1987 | British Championship | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 78. I L Thomas vs J Howell |
| 1-0 | 49 | 1987 | British Championship | C45 Scotch Game |
| 79. P K Wells vs I L Thomas |
| ½-½ | 60 | 1987 | British Championship | E10 Queen's Pawn Game |
| 80. I L Thomas vs P Motwani |
| ½-½ | 42 | 1987 | British Championship | C09 French, Tarrasch, Open Variation, Main line |
| 81. J Emms vs I L Thomas |
| ½-½ | 51 | 1987 | British Championship | C23 Bishop's Opening |
| 82. I L Thomas vs C McNab |
| 1-0 | 40 | 1987 | British Championship | B06 Robatsch |
| 83. R Bellin vs I L Thomas |
| ½-½ | 28 | 1987 | British Championship | B01 Scandinavian |
| 84. I L Thomas vs N Hoiberg |
| 0-1 | 40 | 1988 | Esbjerg (Denmark) | C55 Two Knights Defense |
| 85. D Norwood vs I L Thomas |
| ½-½ | 39 | 1988 | Oakham Young Masters | A04 Reti Opening |
| 86. I L Thomas vs S Conquest |
| 0-1 | 28 | 1988 | Oakham Young Masters | B89 Sicilian |
| 87. M Hepworth vs I L Thomas |
| 0-1 | 37 | 1988 | Oakham Young Masters | B01 Scandinavian |
| 88. I L Thomas vs J Brenninkmeijer |
| ½-½ | 39 | 1988 | Oakham Young Masters | C07 French, Tarrasch |
| 89. N McDonald vs I L Thomas |
| 0-1 | 68 | 1988 | Oakham Young Masters | A06 Reti Opening |
| 90. J Gdanski vs I L Thomas |
| 0-1 | 39 | 1988 | Oakham Young Masters | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 91. I L Thomas vs C Navrotescu |
| 0-1 | 62 | 1988 | Oakham Young Masters | C05 French, Tarrasch |
| 92. I L Thomas vs T Thorhallsson |
| ½-½ | 42 | 1988 | Oakham Young Masters | B01 Scandinavian |
| 93. J Arnason vs I L Thomas |
| 1-0 | 37 | 1988 | Oakham Young Masters | C87 Ruy Lopez |
| 94. D Strenzwilk vs I L Thomas |
| 0-1 | 46 | 1990 | Washington op | C98 Ruy Lopez, Closed, Chigorin |
| 95. Yermolinsky vs I L Thomas |
| 1-0 | 35 | 1990 | Washington op | A55 Old Indian, Main line |
Kibitzing
