| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. F Kuijpers vs E Havansi |
| ½-½ | 63 | 1961 | WchT U26 08th | E25 Nimzo-Indian, Samisch |
| 2. R Primavera vs E Havansi |
 | 1-0 | 92 | 1964 | WchT U26 11th fin-B | C40 King's Knight Opening |
| 3. J Westman vs E Havansi |
| 1-0 | 16 | 1964 | WchT U26 11th fin-B | C20 King's Pawn Game |
| 4. E Havansi vs V Ciocaltea |
| 0-1 | 30 | 1967 | Halle Zonal | A48 King's Indian |
| 5. Uhlmann vs E Havansi |
| ½-½ | 49 | 1967 | Halle Zonal | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 6. F Petersen vs E Havansi |
| 1-0 | 52 | 1967 | Halle Zonal | E11 Bogo-Indian Defense |
| 7. N Minev vs E Havansi |
| 1-0 | 96 | 1967 | Halle Zonal | C44 King's Pawn Game |
| 8. E Havansi vs A Zwaig |
| ½-½ | 36 | 1967 | Halle Zonal | A48 King's Indian |
| 9. E Havansi vs Westerinen |
| 0-1 | 39 | 1967 | Halle Zonal | B30 Sicilian |
| 10. Portisch vs E Havansi |
| 1-0 | 44 | 1967 | Halle Zonal | A08 King's Indian Attack |
| 11. E Havansi vs F Kuijpers |
| ½-½ | 41 | 1967 | Halle Zonal | D35 Queen's Gambit Declined |
| 12. B Pietrusiak vs E Havansi |
| ½-½ | 42 | 1967 | Halle Zonal | C41 Philidor Defense |
| 13. H Besser vs E Havansi |
| 1-0 | 33 | 1967 | Halle Zonal | E17 Queen's Indian |
| 14. E Havansi vs O Kinnmark |
| 1-0 | 40 | 1967 | Halle Zonal | A05 Reti Opening |
| 15. E Havansi vs D Minic |
| ½-½ | 21 | 1967 | Halle Zonal | B42 Sicilian, Kan |
| 16. L Zinn vs E Havansi |
| 1-0 | 53 | 1967 | Halle Zonal | C50 Giuoco Piano |
| 17. E Havansi vs J Kristinsson |
| ½-½ | 60 | 1967 | Halle Zonal | C81 Ruy Lopez, Open, Howell Attack |
| 18. Hort vs E Havansi |
| 1-0 | 49 | 1967 | Halle Zonal | A00 Uncommon Opening |
| 19. E Havansi vs H Camilleri |
| 1-0 | 29 | 1967 | Halle Zonal | B06 Robatsch |
| 20. E Havansi vs Matulovic |
| 0-1 | 47 | 1967 | Halle Zonal | B44 Sicilian |
| 21. E Havansi vs M Johansson |
| ½-½ | 17 | 1967 | Halle Zonal | E54 Nimzo-Indian, 4.e3, Gligoric System |
| 22. M Gerusel vs E Havansi |
| 1-0 | 37 | 1967 | Halle Zonal | E30 Nimzo-Indian, Leningrad |
| 23. K E Kivipelto vs E Havansi |
| 1-0 | 39 | 1968 | FIN-ch | A07 King's Indian Attack |
| 24. B Malich vs E Havansi |
| 1-0 | 37 | 1968 | Lugano Olympiad qual-6 | E11 Bogo-Indian Defense |
| 25. A Olsson vs E Havansi |
| 1-0 | 58 | 1968 | Lugano Olympiad qual-6 | C80 Ruy Lopez, Open |
Kibitzing
