| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Tal vs Hecht |
 | 1-0 | 49 |
1962 |
Varna olm | E12 Queen's Indian |
| 2. Hecht vs C B Van den Berg |
| 1-0 | 39 |
1963 |
NED-FRG m | B76 Sicilian, Dragon, Yugoslav Attack |
| 3. Tringov vs Hecht |
| 1-0 | 41 |
1964 |
Kecskemet zt | A04 Reti Opening |
| 4. Matulovic vs Hecht |
| 1-0 | 40 |
1965 |
EU-chT (Men) | C84 Ruy Lopez, Closed |
| 5. Smyslov vs Hecht |
| 1-0 | 42 |
1965 |
Hamburg | E40 Nimzo-Indian, 4.e3 |
| 6. Hecht vs Keene |
| 1-0 | 30 |
1966 |
Brunnen (Switzerland) | B17 Caro-Kann, Steinitz Variation |
| 7. F Kuijpers vs Hecht |
| 1-0 | 54 |
1968 |
Clare Benedict Cup 15th | C05 French, Tarrasch |
| 8. Gligoric vs Hecht |
| 1-0 | 48 |
1969 |
Belgrade | E43 Nimzo-Indian, Fischer Variation |
| 9. Matulovic vs Hecht |
| 1-0 | 34 |
1969 |
Belgrade | C43 Petrov, Modern Attack |
| 10. Huebner vs Hecht |
| 1-0 | 41 |
1969 |
Buesum | A30 English, Symmetrical |
| 11. Hecht vs Matulovic |
| 1-0 | 54 |
1970 |
Reykjavik | B85 Sicilian, Scheveningen, Classical |
| 12. B Benediktsson vs Hecht |
| 1-0 | 40 |
1970 |
Reykjavik | D01 Richter-Veresov Attack |
| 13. Smejkal vs Hecht |
| 1-0 | 36 |
1970 |
Siegen ol (Men) fin-A | A29 English, Four Knights, Kingside Fianchetto |
| 14. Hecht vs B Kristjansson |
| 1-0 | 31 |
1970 |
Reykjavik | B95 Sicilian, Najdorf, 6...e6 |
| 15. Hecht vs M Damjanovic |
| 1-0 | 58 |
1971 |
FRG-ch int | B49 Sicilian, Taimanov Variation |
| 16. Hecht vs K Danov |
| 1-0 | 77 |
1971 |
Wijk aan Zee Hoogovens B, NED | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 17. Ulf Andersson vs Hecht |
| 1-0 | 23 |
1971 |
West Berlin (Germany) | A07 King's Indian Attack |
| 18. Hecht vs J Kostro |
| 1-0 | 30 |
1971 |
Wijk aan Zee Hoogovens B, NED | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 19. C Zuidema vs Hecht |
| 1-0 | 57 |
1971 |
Wijk aan Zee Hoogovens B, NED | C92 Ruy Lopez, Closed |
| 20. Hecht vs K Schiffer |
| 1-0 | 45 |
1971 |
FRG-ch int | B29 Sicilian, Nimzovich-Rubinstein |
| 21. Hecht vs T Krabbe |
| 1-0 | 33 |
1971 |
Wijk aan Zee Hoogovens B, NED | C10 French |
| 22. Hecht vs Matulovic |
| 1-0 | 74 |
1972 |
Helsinki | B31 Sicilian, Rossolimo Variation |
| 23. Hecht vs Keene |
| 1-0 | 52 |
1972 |
England-Germany match | B06 Robatsch |
| 24. Ribli vs Hecht |
| 1-0 | 27 |
1972 |
Wijk aan Zee(B) | B05 Alekhine's Defense, Modern |
| 25. Hecht vs I Saren |
| 1-0 | 41 |
1972 |
Helsinki | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
