| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. E Canal vs S Tatai |
| 1-0 | 43 |
1967 |
Venice it | A02 Bird's Opening |
| 27. S Tatai vs Gligoric |
| 0-1 | 57 |
1967 |
Palma de Mallorca | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 28. E Paoli vs S Tatai |
| 1-0 | 84 |
1967 |
ITA-ch 28th | B93 Sicilian, Najdorf, 6.f4 |
| 29. Ujtelky vs S Tatai |
| ½-½ | 19 |
1967 |
Hoogovens-B | D60 Queen's Gambit Declined, Orthodox Defense |
| 30. J Diez del Corral vs S Tatai |
| 1-0 | 33 |
1967 |
Palma de Mallorca | B95 Sicilian, Najdorf, 6...e6 |
| 31. S Tatai vs E Paoli |
| 1-0 | 41 |
1967 |
Venice it | B88 Sicilian, Fischer-Sozin Attack |
| 32. Matulovic vs S Tatai |
| 1-0 | 42 |
1967 |
Reggio Emilia 6768 | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 33. J B Bednarski vs S Tatai |
| 0-1 | 45 |
1967 |
Palma de Mallorca | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 34. S Tatai vs Larry Evans |
| 0-1 | 36 |
1967 |
Venice it | B08 Pirc, Classical |
| 35. S Tatai vs E Jimenez-Zerguera |
| 1-0 | 29 |
1967 |
Palma de Mallorca | B89 Sicilian |
| 36. Smyslov vs S Tatai |
| 1-0 | 39 |
1967 |
Mallorca | A00 Uncommon Opening |
| 37. J H Donner vs S Tatai |
| 1-0 | 46 |
1967 |
Venice it | E63 King's Indian, Fianchetto, Panno Variation |
| 38. Matulovic vs S Tatai |
| 1-0 | 33 |
1967 |
Palma de Mallorca | B98 Sicilian, Najdorf |
| 39. Portisch vs S Tatai |
| ½-½ | 22 |
1967 |
Palma de Mallorca | D25 Queen's Gambit Accepted |
| 40. S Tatai vs O'Kelly |
| 0-1 | 40 |
1967 |
Palma de Mallorca | B96 Sicilian, Najdorf |
| 41. A Magrin vs S Tatai |
| 0-1 | 33 |
1967 |
Venice it | E75 King's Indian, Averbakh, Main line |
| 42. R Toran Albero vs S Tatai |
| ½-½ | 13 |
1967 |
Palma de Mallorca | D78 Neo-Grunfeld, 6.O-O c6 |
| 43. Janosevic vs S Tatai |
| 1-0 | 37 |
1967 |
Venice it | B93 Sicilian, Najdorf, 6.f4 |
| 44. S Tatai vs Botvinnik |
| ½-½ | 26 |
1967 |
Palma de Mallorca | B06 Robatsch |
| 45. S Tatai vs E Paoli |
| 1-0 | 23 |
1967 |
Imperia op | B89 Sicilian |
| 46. S Tatai vs M Damjanovic |
| ½-½ | 31 |
1967 |
Palma de Mallorca | B77 Sicilian, Dragon, Yugoslav Attack |
| 47. S Tatai vs Pachman |
| ½-½ | 21 |
1967 |
Venice it | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 48. S Tatai vs J Kupper |
| 1-0 | 64 |
1967 |
Venice it | B48 Sicilian, Taimanov Variation |
| 49. Wade vs S Tatai |
| 0-1 | 28 |
1968 |
Int. tournament, Solingen (FRG) | B93 Sicilian, Najdorf, 6.f4 |
| 50. S Tatai vs L Lengyel |
| ½-½ | 21 |
1968 |
Int. tournament, Solingen (FRG) | C96 Ruy Lopez, Closed |