| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Donaldson vs J L Watson |
| 0-1 | 40 |
1976 |
Paul Keres Memorial | B08 Pirc, Classical |
| 2. E Rayner vs J L Watson |
 | 0-1 | 30 |
1978 |
Lloyds Bank | C19 French, Winawer, Advance |
| 3. R C Balinas vs J L Watson |
| 0-1 | 28 |
1978 |
Lloyds Bank | E75 King's Indian, Averbakh, Main line |
| 4. J Flesch vs J L Watson |
| 0-1 | 42 |
1978 |
Lloyds Bank | E67 King's Indian, Fianchetto |
| 5. J L Watson vs Shamkovich |
| 1-0 | 60 |
1981 |
Ch Manhattan Chess Club | A18 English, Mikenas-Carls |
| 6. J L Watson vs L Day |
| 1-0 | 43 |
1981 |
02, New York | A10 English |
| 7. DeFirmian vs J L Watson |
| 0-1 | 27 |
1984 |
Ch USA | C19 French, Winawer, Advance |
| 8. J L Watson vs Dreev |
| 1-0 | 33 |
1985 |
Moscow (Russia) | C26 Vienna |
| 9. Browne vs J L Watson |
| 0-1 | 64 |
1993 |
World op Philadelphia | E94 King's Indian, Orthodox |
| 10. J L Watson vs Z Fayvinov |
| 1-0 | 27 |
1993 |
World Op, Philadelphia | A57 Benko Gambit |
| 11. J L Watson vs G Orlov |
| 1-0 | 65 |
1994 |
Reno (USA) | E11 Bogo-Indian Defense |
| 12. J L Watson vs W Alexander |
| 1-0 | 34 |
1994 |
SNCL Div 1 Aberdeen 2-Castlehill 2 | C46 Three Knights |
| 13. Fedorowicz vs J L Watson |
| 0-1 | 22 |
1995 |
CalChess/Mechanic's College | A50 Queen's Pawn Game |
| 14. Shaked vs J L Watson |
| 0-1 | 44 |
1995 |
American op 0 (06) | C02 French, Advance |
| 15. J L Watson vs A Caoili |
| 1-0 | 54 |
1997 |
Hawaii op | E76 King's Indian, Four Pawns Attack |
