| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. A C Sacconi vs S Tatai |
| 1-0 | 24 |
1958 |
Roma | A04 Reti Opening |
| 2. S Tatai vs A M Giustolisi |
| 0-1 | 48 |
1961 |
ch Italia San Benede | A04 Reti Opening |
| 3. S Tatai vs Filip |
| 1-0 | 52 |
1962 |
Reggio Emilia 6263 | D91 Grunfeld, 5.Bg5 |
| 4. E Paoli vs S Tatai |
| 0-1 | 44 |
1962 |
Reggio Emilia 6263 | B90 Sicilian, Najdorf |
| 5. Gligoric vs S Tatai |
| 1-0 | 34 |
1963 |
Enschede zt | D22 Queen's Gambit Accepted |
| 6. Filip vs S Tatai |
| ½-½ | 41 |
1963 |
Enschede zt | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 7. K Darga vs S Tatai |
| 1-0 | 48 |
1963 |
Enschede zt | C92 Ruy Lopez, Closed |
| 8. E Paoli vs S Tatai |
| 0-1 | 36 |
1965 |
Reggio Emilia 6566 | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 9. S Tatai vs Ujtelky |
| 0-1 | 47 |
1965 |
Reggio Emilia 6566 | A43 Old Benoni |
| 10. S Tatai vs Parma |
| 0-1 | 49 |
1965 |
Reggio Emilia (Italy) | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 11. Antoshin vs S Tatai |
| ½-½ | 41 |
1966 |
Venice | D22 Queen's Gambit Accepted |
| 12. S Tatai vs L Lengyel |
| ½-½ | 41 |
1966 |
Venice | B42 Sicilian, Kan |
| 13. Schmid vs S Tatai |
| 1-0 | 43 |
1966 |
Venice | C95 Ruy Lopez, Closed, Breyer |
| 14. Ivkov vs S Tatai |
 | 1-0 | 24 |
1966 |
Venice | A15 English |
| 15. W Heidenfeld vs S Tatai |
| ½-½ | 29 |
1966 |
Havana ol final-C | B14 Caro-Kann, Panov-Botvinnik Attack |
| 16. L Lengyel vs S Tatai |
| 1-0 | 32 |
1967 |
Venice it | E92 King's Indian |
| 17. S Tatai vs J H Donner |
| ½-½ | 57 |
1967 |
Palma de Mallorca | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 18. E Canal vs S Tatai |
| 1-0 | 43 |
1967 |
Venice it | A02 Bird's Opening |
| 19. J Diez del Corral vs S Tatai |
| 1-0 | 33 |
1967 |
Palma de Mallorca | B95 Sicilian, Najdorf, 6...e6 |
| 20. S Tatai vs Gligoric |
| 0-1 | 57 |
1967 |
Palma de Mallorca | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 21. E Paoli vs S Tatai |
| 1-0 | 84 |
1967 |
ITA-ch 28th | B93 Sicilian, Najdorf, 6.f4 |
| 22. Ujtelky vs S Tatai |
| ½-½ | 19 |
1967 |
Hoogovens-B | D60 Queen's Gambit Declined, Orthodox Defense |
| 23. S Tatai vs E Paoli |
| 1-0 | 41 |
1967 |
Venice it | B88 Sicilian, Fischer-Sozin Attack |
| 24. Matulovic vs S Tatai |
| 1-0 | 42 |
1967 |
Reggio Emilia 6768 | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 25. J B Bednarski vs S Tatai |
| 0-1 | 45 |
1967 |
Palma de Mallorca | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |