| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Geller vs B Lengyel |
| 1-0 | 39 |
1973 |
Budapest | C11 French |
| 2. Sax vs B Lengyel |
| ½-½ | 31 |
1973 |
It (open) | C55 Two Knights Defense |
| 3. Spassky vs B Lengyel |
| 1-0 | 20 |
1975 |
Tallinn | D60 Queen's Gambit Declined, Orthodox Defense |
| 4. J Schneider vs B Lengyel |
| 0-1 | 14 |
1975 |
HUN | C32 King's Gambit Declined, Falkbeer Counter Gambit |
| 5. B Lengyel vs E Paoli |
| 1-0 | 56 |
1976 |
Kallithea 2nd | B62 Sicilian, Richter-Rauzer |
| 6. B Lengyel vs M Krajcsovits |
| 0-1 | 59 |
1979 |
Zamardi ELE op | B42 Sicilian, Kan |
| 7. G Pirisi vs B Lengyel |
| 1-0 | 33 |
1980 |
Hungary-ch Budapest | C36 King's Gambit Accepted, Abbazia Defense |
| 8. Plachetka vs B Lengyel |
| 0-1 | 54 |
1987 |
Tatran Cup | A17 English |
| 9. H Westerinen vs B Lengyel |
 | 1-0 | 24 |
1988 |
Gausdal/SW,20,14 | C33 King's Gambit Accepted |
| 10. A Balzar vs B Lengyel |
| 1-0 | 38 |
1988 |
Dortmund (Germany) | C56 Two Knights |
| 11. Baburin vs B Lengyel |
| 1-0 | 27 |
1990 |
Budapest (Hungary) | D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 |
| 12. Glek vs B Lengyel |
| ½-½ | 51 |
1991 |
Budapest Festival | C47 Four Knights |
| 13. Kholmov vs B Lengyel |
| ½-½ | 59 |
1991 |
Budapest Spring op | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 14. B Lengyel vs Zsofia Polgar |
| 1-0 | 32 |
1992 |
Duna Kupa | B48 Sicilian, Taimanov Variation |
| 15. Sutovsky vs B Lengyel |
| 1-0 | 36 |
1993 |
HUN | C50 Giuoco Piano |
| 16. Onischuk vs B Lengyel |
| 1-0 | 35 |
1993 |
Budapest FS07 GM | A28 English |
| 17. Leko vs B Lengyel |
| 1-0 | 60 |
1993 |
Budapest FS IGM | C98 Ruy Lopez, Closed, Chigorin |
| 18. B Lengyel vs V Mikhalevski |
 | 0-1 | 22 |
1993 |
Budapest | C82 Ruy Lopez, Open |
| 19. B Lengyel vs Zsofia Polgar |
| 1-0 | 29 |
1993 |
It, Budapest (Hungary) | B92 Sicilian, Najdorf, Opocensky Variation |
| 20. M Smolovic vs B Lengyel |
 | 0-1 | 32 |
1994 |
It (cat.3) | C27 Vienna Game |
| 21. B Lengyel vs Silman |
| 0-1 | 60 |
1994 |
HUN | B32 Sicilian |
| 22. V Beim vs B Lengyel |
| 1-0 | 41 |
1994 |
Budapest FS04 GM | A00 Uncommon Opening |
| 23. A Horvath vs B Lengyel |
| 0-1 | 45 |
1995 |
Memorial Schneider | C50 Giuoco Piano |
| 24. I Dmitriev vs B Lengyel |
| 0-1 | 64 |
1995 |
Budapest (Hungary) It (open) \\ | C26 Vienna |
| 25. J Stocek vs B Lengyel |
| 0-1 | 52 |
1997 |
Budapest FS04 GM | D60 Queen's Gambit Declined, Orthodox Defense |