| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. G Orlov vs Kaidanov |
| ½-½ | 61 |
1986 |
Minsk (Belarus) | C53 Giuoco Piano |
| 27. Kaidanov vs Glek |
| ½-½ | 32 |
1986 |
Minsk | A40 Queen's Pawn Game |
| 28. Tal vs Kaidanov |
| ½-½ | 18 |
1986 |
Tbilisi | A13 English |
| 29. Kaidanov vs Yermolinsky |
| ½-½ | 19 |
1986 |
Ch URS (1 liga) | B89 Sicilian |
| 30. Chekhov vs Kaidanov |
| ½-½ | 24 |
1986 |
Moscow-B | D24 Queen's Gambit Accepted |
| 31. Kupreichik vs Kaidanov |
| 1-0 | 50 |
1986 |
Kuibyshev URS sf | C80 Ruy Lopez, Open |
| 32. Azmaiparashvili vs Kaidanov |
| 1-0 | 80 |
1986 |
Kujbyshev | A28 English |
| 33. Kholmov vs Kaidanov |
| 1-0 | 50 |
1986 |
Smolensk | C80 Ruy Lopez, Open |
| 34. Khalifman vs Kaidanov |
| ½-½ | 38 |
1986 |
Ch URS (1 liga) | C82 Ruy Lopez, Open |
| 35. Romanishin vs Kaidanov |
| ½-½ | 29 |
1986 |
Tbilisi | A07 King's Indian Attack |
| 36. Kaidanov vs Azmaiparashvili |
| 0-1 | 34 |
1986 |
Tbilisi | B08 Pirc, Classical |
| 37. Vyzmanavin vs Kaidanov |
| 1-0 | 66 |
1987 |
Norilsk (Russia) | D21 Queen's Gambit Accepted |
| 38. Kaidanov vs Dreev |
 | 0-1 | 58 |
1987 |
Lvov | B05 Alekhine's Defense, Modern |
| 39. Kaidanov vs Gelfand |
| ½-½ | 30 |
1987 |
Norilsk | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 40. Kaidanov vs Vyzmanavin |
 | 1-0 | 34 |
1987 |
Moscow (Russia) | D89 Grunfeld |
| 41. Kaidanov vs Anand |
 | 1-0 | 25 |
1987 |
Moscow | B13 Caro-Kann, Exchange |
| 42. Smirin vs Kaidanov |
| ½-½ | 29 |
1987 |
URS-ch otbor | C80 Ruy Lopez, Open |
| 43. Khalifman vs Kaidanov |
| 0-1 | 33 |
1987 |
Moscow (Russia) | C02 French, Advance |
| 44. Romanishin vs Kaidanov |
| 1-0 | 70 |
1987 |
Lvov URS sf | C80 Ruy Lopez, Open |
| 45. Kotronias vs Kaidanov |
| ½-½ | 34 |
1987 |
Moscow | C80 Ruy Lopez, Open |
| 46. Kaidanov vs Bareev |
 | 1-0 | 30 |
1987 |
Ch URS ( 1 liga ) | C27 Vienna Game |
| 47. Kaidanov vs M Gurevich |
| ½-½ | 13 |
1987 |
Balatonbereny op | E38 Nimzo-Indian, Classical, 4...c5 |
| 48. Kaidanov vs Ivanchuk |
| 0-1 | 34 |
1987 |
Lvov URS sf | D37 Queen's Gambit Declined |
| 49. Taimanov vs Kaidanov |
 | 0-1 | 22 |
1988 |
Belgrade | A13 English |
| 50. Kaidanov vs Reshevsky |
 | 1-0 | 29 |
1988 |
GMA Qualification Tournament | A35 English, Symmetrical |