| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. W Watson vs D Gurevich |
| 0-1 | 60 |
1982 |
Brighton | B08 Pirc, Classical |
| 27. W Watson vs H Westerinen |
| ½-½ | 30 |
1982 |
Brighton (England) | C26 Vienna |
| 28. Miles vs W Watson |
| 1-0 | 27 |
1982 |
Great Britain (ch) 34/443 | D01 Richter-Veresov Attack |
| 29. W Watson vs Murey |
| 0-1 | 36 |
1982 |
Brighton | B21 Sicilian, 2.f4 and 2.d4 |
| 30. W Watson vs Shamkovich |
| 1-0 | 27 |
1982 |
Brighton (England) | B21 Sicilian, 2.f4 and 2.d4 |
| 31. W Watson vs Nunn |
| 0-1 | 59 |
1983 |
Brighton | E63 King's Indian, Fianchetto, Panno Variation |
| 32. W Watson vs Razuvaev |
| 0-1 | 41 |
1983 |
Lloyds Bank op | B21 Sicilian, 2.f4 and 2.d4 |
| 33. Igor Ivanov vs W Watson |
| 0-1 | 43 |
1983 |
Brighton (England) | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 34. W Watson vs Murey |
| 0-1 | 41 |
1983 |
Brighton | B23 Sicilian, Closed |
| 35. Plaskett vs W Watson |
| 0-1 | 28 |
1983 |
Computer Games Ltd Brighton Grandmaster Tt | B76 Sicilian, Dragon, Yugoslav Attack |
| 36. W Watson vs Short |
 | 1-0 | 24 |
1983 |
Brighton | C05 French, Tarrasch |
| 37. K Burger vs W Watson |
| 0-1 | 16 |
1983 |
Brighton 02 | E80 King's Indian, Samisch Variation |
| 38. W Watson vs Miles |
| 0-1 | 32 |
1984 |
Brighton | B19 Caro-Kann, Classical |
| 39. J Benjamin vs W Watson |
| 1-0 | 38 |
1984 |
Hastings (England) | A15 English |
| 40. W Watson vs Kupreichik |
| 1-0 | 51 |
1984 |
Hastings | B23 Sicilian, Closed |
| 41. W Watson vs Nunn |
| 0-1 | 38 |
1984 |
London | C70 Ruy Lopez |
| 42. W Watson vs Balashov |
| ½-½ | 22 |
1985 |
Hastings | C75 Ruy Lopez, Modern Steinitz Defense |
| 43. W Watson vs T Imanaliev |
| 1-0 | 20 |
1985 |
Frunze (Kyrgyzstan) | C25 Vienna |
| 44. W Watson vs Tseshkovsky |
| 0-1 | 51 |
1985 |
Moscow-B | C88 Ruy Lopez |
| 45. W Watson vs Chandler |
| ½-½ | 22 |
1985 |
It (open) | B25 Sicilian, Closed |
| 46. W Watson vs Miles |
| ½-½ | 49 |
1985 |
Edinburgh | B19 Caro-Kann, Classical |
| 47. W Watson vs Chiburdanidze |
| ½-½ | 40 |
1985 |
Frunze | C84 Ruy Lopez, Closed |
| 48. Fedorowicz vs W Watson |
| ½-½ | 18 |
1985 |
Hastings (England) | E97 King's Indian |
| 49. Murey vs W Watson |
| 1-0 | 35 |
1985 |
It-open, Montpellier | E83 King's Indian, Samisch |
| 50. Speelman vs W Watson |
| ½-½ | 36 |
1985 |
Britain | A00 Uncommon Opening |
