| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. J Hardinge vs J Watson |
| 1-0 | 49 |
1973 |
Club Championship | A07 King's Indian Attack |
| 2. J Watson vs R Gruchacz |
| 1-0 | 45 |
1976 |
Lone Pine | A22 English |
| 3. J Watson vs J Thibault |
| 1-0 | 15 |
1979 |
Lone Pine op | A10 English |
| 4. J Watson vs Denker |
| 1-0 | 40 |
1979 |
Lone Pine op | B13 Caro-Kann, Exchange |
| 5. J Watson vs J Rigo |
| 1-0 | 58 |
1979 |
Lone Pine op | B75 Sicilian, Dragon, Yugoslav Attack |
| 6. Janosevic vs J Watson |
| 1-0 | 47 |
1979 |
Lone Pine op | C05 French, Tarrasch |
| 7. Fedorowicz vs J Watson |
| 1-0 | 24 |
1979 |
Marshall Int | E91 King's Indian |
| 8. Y Gruenfeld vs J Watson |
| 1-0 | 37 |
1981 |
Lone Pine | C05 French, Tarrasch |
| 9. H Ree vs J Watson |
| 1-0 | 24 |
1981 |
Lone Pine | E84 King's Indian, Samisch, Panno Main line |
| 10. P Ricardi vs J Watson |
| 1-0 | 44 |
1999 |
Open Ubeda | C19 French, Winawer, Advance |
| 11. R Lutzenberger vs J Watson |
| 1-0 | 28 |
1999 |
WC23/EWC01-SF11 | B90 Sicilian, Najdorf |
| 12. J Watson vs Heikki Brusila |
| 1-0 | 30 |
1999 |
WC23/EWC01-SF11 | D20 Queen's Gambit Accepted |
| 13. K F Grimm vs J Watson |
| 1-0 | 18 |
1999 |
WC23/EWC01-SF11 | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 14. J Watson vs J Aldrete |
| 1-0 | 53 |
1999 |
WC23/EWC01-SF11 | E97 King's Indian |
| 15. P L Coleman vs J Watson |
| 1-0 | 25 |
1999 |
WC23/EWC01-SF11 | B90 Sicilian, Najdorf |
| 16. T Strand vs J Watson |
| 1-0 | 36 |
1999 |
WC23/EWC01-SF11 | B22 Sicilian, Alapin |
| 17. A Kunte vs J Watson |
| 1-0 | 28 |
1999 |
Anibal Open | A16 English |
| 18. V Pankratov vs J Watson |
| 1-0 | 30 |
1999 |
WC23/EWC01-SF11 | D85 Grunfeld |
| 19. Yermolinsky vs J Watson |
| 1-0 | 34 |
2003 |
12th Chicago Open | A65 Benoni, 6.e4 |
