| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. M Yeo vs P Mithrakanth |
| 0-1 | 30 | 1984 | British Championship | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 52. M Yeo vs R Hawkes |
| 1-0 | 36 | 1984 | British Championship | B13 Caro-Kann, Exchange |
| 53. P M Giulian vs M Yeo |
| 0-1 | 14 | 1984 | British Championship | D07 Queen's Gambit Declined, Chigorin Defense |
| 54. M Yeo vs N Davies |
| ½-½ | 20 | 1984 | British Championship | B06 Robatsch |
| 55. R Atkins vs M Yeo |
| 0-1 | 13 | 1985 | London League match | D07 Queen's Gambit Declined, Chigorin Defense |
| 56. M Yeo vs T Bakker |
| 1-0 | 17 | 1985 | Guernsey Open | C46 Three Knights |
| 57. D C Jarrett vs M Yeo |
| 0-1 | 35 | 1985 | Guernsey Open | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 58. M Yeo vs R Bellin |
| ½-½ | 136 | 1985 | Guernsey Open | C49 Four Knights |
| 59. P J Needham vs M Yeo |
| 0-1 | 41 | 1985 | Guernsey Open | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 60. M Yeo vs R van Oortmerssen |
| 1-0 | 38 | 1985 | Guernsey Open | C48 Four Knights |
| 61. S Conquest vs M Yeo |
| 1-0 | 78 | 1985 | Guernsey Open | D02 Queen's Pawn Game |
| 62. M Yeo vs M Hebden |
| 0-1 | 83 | 1985 | Guernsey Open | C48 Four Knights |
| 63. M Yeo vs S Conquest |
| 0-1 | 48 | 1986 | British Championship | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 64. Hodgson vs M Yeo |
| ½-½ | 41 | 1986 | British Championship | D01 Richter-Veresov Attack |
| 65. M Yeo vs S Le Blancq |
| 1-0 | 26 | 1986 | British Championship | B77 Sicilian, Dragon, Yugoslav Attack |
| 66. J C Hawksworth vs M Yeo |
| 0-1 | 41 | 1986 | British Championship | D06 Queen's Gambit Declined |
| 67. M Yeo vs M Basman |
| ½-½ | 44 | 1986 | British Championship | B00 Uncommon King's Pawn Opening |
| 68. I L Thomas vs M Yeo |
| ½-½ | 59 | 1986 | British Championship | C21 Center Game |
| 69. M Yeo vs D Norwood |
| 0-1 | 60 | 1986 | British Championship | B06 Robatsch |
| 70. G Crawley vs M Yeo |
| 1-0 | 48 | 1986 | British Championship | D06 Queen's Gambit Declined |
| 71. M Yeo vs D J Walker |
| ½-½ | 22 | 1986 | British Championship | C15 French, Winawer |
| 72. A Dunnington vs M Yeo |
| 1-0 | 41 | 1986 | British Championship | D07 Queen's Gambit Declined, Chigorin Defense |
| 73. M Yeo vs V Ravikumar |
| ½-½ | 12 | 1986 | British Championship | B13 Caro-Kann, Exchange |
| 74. M Yeo vs J Hardinge |
| 0-1 | 44 | 1987 | Mitcham | B64 Sicilian, Richter-Rauzer Attack |
| 75. R B Saunders vs M Yeo |
| ½-½ | 21 | 1988 | corres GBR | C30 King's Gambit Declined |
Kibitzing
