| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Psakhis vs Tiviakov |
| ½-½ | 33 | 1989 | GMA World Cup Open | A46 Queen's Pawn Game |
| 27. Tiviakov vs Kupreichik |
| 1-0 | 42 | 1989 | GMA World Cup Open | B90 Sicilian, Najdorf |
| 28. Petursson vs Tiviakov |
 | ½-½ | 61 | 1989 | GMA World Cup Open | E38 Nimzo-Indian, Classical, 4...c5 |
| 29. Tiviakov vs Miles |
 | ½-½ | 33 | 1989 | GMA World Cup Open | B18 Caro-Kann, Classical |
| 30. Tiviakov vs Goldin |
| ½-½ | 60 | 1989 | GMA World Cup Open | B62 Sicilian, Richter-Rauzer |
| 31. Tiviakov vs Gavrikov |
| 0-1 | 56 | 1989 | GMA World Cup Open | B22 Sicilian, Alapin |
| 32. Anand vs Tiviakov |
| 0-1 | 58 | 1989 | GMA World Cup Open | B77 Sicilian, Dragon, Yugoslav Attack |
| 33. Tiviakov vs Dautov |
| ½-½ | 10 | 1989 | GMA World Cup Open | B17 Caro-Kann, Steinitz Variation |
| 34. Tiviakov vs D Kljako |
| 1-0 | 31 | 1989 | Imperia Open | B06 Robatsch |
| 35. Tiviakov vs Kramnik |
| ½-½ | 32 | 1990 | URS-qualJ | B33 Sicilian |
| 36. B Alterman vs Tiviakov |
| ½-½ | 22 | 1990 | URS-qualJ | E15 Queen's Indian |
| 37. M Ulybin vs Tiviakov |
| 0-1 | 56 | 1990 | URS-qualJ | E39 Nimzo-Indian, Classical, Pirc Variation |
| 38. Kramnik vs Tiviakov |
| 1-0 | 40 | 1990 | URS-qualJ | E32 Nimzo-Indian, Classical |
| 39. Tiviakov vs M Ulybin |
| 1-0 | 61 | 1990 | URS-qualJ | C05 French, Tarrasch |
| 40. Tiviakov vs A Frolov |
| 1-0 | 35 | 1990 | URS-qualJ | C86 Ruy Lopez, Worrall Attack |
| 41. A Frolov vs Tiviakov |
| ½-½ | 57 | 1990 | URS-qualJ | B32 Sicilian |
| 42. M Markovic vs Tiviakov |
| ½-½ | 29 | 1990 | Rilton Cup | B32 Sicilian |
| 43. Tiviakov vs M Ulybin |
| 0-1 | 35 | 1990 | Chelyabinsk-A | C05 French, Tarrasch |
| 44. Tiviakov vs B Alterman |
| ½-½ | 29 | 1990 | URS-qualJ | B76 Sicilian, Dragon, Yugoslav Attack |
| 45. Tiviakov vs Timoshenko |
| 1-0 | 48 | 1990 | Chelyabinsk-A | C86 Ruy Lopez, Worrall Attack |
| 46. M Piper vs Tiviakov |
| 0-1 | 44 | 1990 | Oakham Young Masters | B70 Sicilian, Dragon Variation |
| 47. Tiviakov vs A Maric |
| 1-0 | 60 | 1990 | Oakham Young Masters | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 48. Anand vs Tiviakov |
| ½-½ | 16 | 1990 | Oakham Young Masters | B32 Sicilian |
| 49. Tiviakov vs Blatny |
| 0-1 | 102 | 1990 | Oakham Young Masters | C86 Ruy Lopez, Worrall Attack |
| 50. Tiviakov vs R Ziatdinov |
| 0-1 | 43 | 1990 | Kusadasi Open | C86 Ruy Lopez, Worrall Attack |
Kibitzing
