| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. W Watson vs C P Gawood |
 | 1-0 | 27 |
1977 |
British Chess Federation Junior Championship | B40 Sicilian |
| 2. W Watson vs A J Whiteley |
| 1-0 | 40 |
1978 |
Ayr British ch | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 3. W Watson vs L Shamkovich |
| 1-0 | 27 |
1982 |
Brighton (England) | B21 Sicilian, 2.f4 and 2.d4 |
| 4. W Watson vs Kupreichik |
| 1-0 | 51 |
1984 |
Hastings | B23 Sicilian, Closed |
| 5. W Watson vs T Karolyi Jr. |
| 1-0 | 24 |
1986 |
OHRA-B | B23 Sicilian, Closed |
| 6. W Watson vs A Fauland |
| 1-0 | 34 |
1987 |
Graz op | B32 Sicilian |
| 7. W Watson vs J Benjamin |
| 1-0 | 33 |
1987 |
It (open) | B46 Sicilian, Taimanov Variation |
| 8. W Watson vs A Greenfeld |
| 1-0 | 34 |
1987 |
Beersheba | B45 Sicilian, Taimanov |
| 9. W Watson vs Chiburdanidze |
| 1-0 | 24 |
1987 |
Brussels mix | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 10. W Watson vs Kudrin |
| 1-0 | 53 |
1989 |
Cup World (open) | B77 Sicilian, Dragon, Yugoslav Attack |
| 11. W Watson vs Jansa |
| 1-0 | 38 |
1991 |
Herning 52/184 [Watson,W] | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 12. W Watson vs H Vatter |
| 1-0 | 43 |
1999 |
Bundesliga 1998/99, Germany | B43 Sicilian, Kan, 5.Nc3 |
