| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Gheorghiu vs L A Tan |
 | ½-½ | 27 | 1963 | 7th World Junior Ch | B96 Sicilian, Najdorf |
| 2. M Moe vs L A Tan |
| ½-½ | 50 | 1963 | 7th World Junior Ch | B96 Sicilian, Najdorf |
| 3. L A Tan vs Alvarez |
| 1-0 | 40 | 1963 | 7th World Junior Ch | E73 King's Indian |
| 4. L A Tan vs Keene |
| 0-1 | 40 | 1965 | Tournament | A65 Benoni, 6.e4 |
| 5. L A Tan vs Huebner |
| ½-½ | 20 | 1965 | Wch U20 q-5 | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 6. I Johannsson vs L A Tan |
| 1-0 | 64 | 1968 | Lugano Olympiad qual-7 | A14 English |
| 7. L A Tan vs Bobotsov |
 | 0-1 | 41 | 1968 | Lugano Olympiad qual-7 | B04 Alekhine's Defense, Modern |
| 8. J Jimenez vs L A Tan |
| 0-1 | 76 | 1968 | Lugano Olympiad qual-7 | B01 Scandinavian |
| 9. S Garcia Martinez vs L A Tan |
| 1-0 | 60 | 1968 | Lugano Olympiad qual-7 | B01 Scandinavian |
| 10. L A Tan vs N Suer |
| ½-½ | 41 | 1968 | Lugano Olympiad qual-7 | C55 Two Knights Defense |
| 11. L A Tan vs R Silva Nazzari |
| 1-0 | 42 | 1968 | Lugano Olympiad Final-D | C84 Ruy Lopez, Closed |
| 12. A Constantinou vs L A Tan |
| 0-1 | 34 | 1968 | Lugano Olympiad Final-D | B01 Scandinavian |
| 13. L A Tan vs M Castro Aguilar |
| 1-0 | 28 | 1968 | Lugano Olympiad Final-D | B01 Scandinavian |
| 14. J Rovira Mas vs L A Tan |
| 0-1 | 47 | 1968 | Lugano Olympiad Final-D | B01 Scandinavian |
| 15. L A Tan vs C Salameh |
| 1-0 | 18 | 1968 | Lugano Olympiad Final-D | C07 French, Tarrasch |
| 16. A Malagon Diaz vs L A Tan |
| 0-1 | 38 | 1968 | Lugano Olympiad Final-D | A00 Uncommon Opening |
| 17. L A Tan vs W Hook |
| 1-0 | 40 | 1968 | Lugano Olympiad Final-D | C04 French, Tarrasch, Guimard Main line |
| 18. C Boutteville vs L A Tan |
| ½-½ | 30 | 1968 | Lugano Olympiad Final-D | B01 Scandinavian |
| 19. L A Tan vs B Kazanski |
| ½-½ | 14 | 1968 | Lugano Olympiad Final-D | B06 Robatsch |
| 20. L A Tan vs Panno |
| 0-1 | 34 | 1970 | Siegen Olympiad qual-5 | A07 King's Indian Attack |
| 21. S Garcia Martinez vs L A Tan |
| ½-½ | 14 | 1970 | Siegen Olympiad qual-5 | E40 Nimzo-Indian, 4.e3 |
| 22. L A Tan vs S Johannessen |
| 0-1 | 38 | 1970 | Siegen Olympiad qual-5 | B93 Sicilian, Najdorf, 6.f4 |
| 23. J Cordovil vs L A Tan |
| 0-1 | 33 | 1970 | Siegen Olympiad qual-5 | A45 Queen's Pawn Game |
| 24. L A Tan vs H Camilleri |
| ½-½ | 38 | 1970 | Siegen Olympiad qual-5 | C07 French, Tarrasch |
| 25. C Pritchett vs L A Tan |
| 1-0 | 40 | 1970 | Siegen Olympiad qual-5 | B01 Scandinavian |
Kibitzing
