| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Y Vasilchuk vs K Muchnik |
| ½-½ | 36 | 1961 | Moscow Championship | C03 French, Tarrasch |
| 27. K Muchnik vs A Volovich |
| 1-0 | 53 | 1961 | Moscow Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 28. A A Bikhovsky vs K Muchnik |
| ½-½ | 41 | 1961 | Moscow Championship | C01 French, Exchange |
| 29. K Muchnik vs B Shatskes |
| 1-0 | 32 | 1961 | Moscow Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 30. V F Titenko vs K Muchnik |
 | ½-½ | 59 | 1961 | Moscow Championship | E69 King's Indian, Fianchetto, Classical Main line |
| 31. G Goldberg vs K Muchnik |
| 1-0 | 57 | 1961 | Moscow Championship | A16 English |
| 32. K Muchnik vs Shamkovich |
| 0-1 | 55 | 1961 | Moscow Championship | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 33. K Muchnik vs Lashmanov |
| 1-0 | 25 | 1961 | Armed Forces Ch | C82 Ruy Lopez, Open |
| 34. K Muchnik vs Bronstein |
| 0-1 | 37 | 1961 | Moscow Championship | B32 Sicilian |
| 35. Vasiukov vs K Muchnik |
| ½-½ | 42 | 1961 | Moscow Championship | A07 King's Indian Attack |
| 36. K Muchnik vs Simagin |
| 1-0 | 34 | 1961 | Moscow Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 37. K Muchnik vs A Khasin |
| 0-1 | 51 | 1961 | Moscow Championship | C18 French, Winawer |
| 38. A I Zakharov vs K Muchnik |
| ½-½ | 54 | 1961 | Moscow Championship | A45 Queen's Pawn Game |
| 39. A Chistiakov vs K Muchnik |
| 1-0 | 61 | 1964 | Moscow-ch sf | E81 King's Indian, Samisch |
| 40. K Muchnik vs Tseitlin |
| 1-0 | 34 | 1966 | URS-ch Armed Forces | E82 King's Indian, Samisch, double Fianchetto Variation |
| 41. I A Zaitsev vs K Muchnik |
| ½-½ | 41 | 1966 | URS | C17 French, Winawer, Advance |
| 42. K Muchnik vs B Bilunov |
| 1-0 | 26 | 1966 | National Tournament | B10 Caro-Kann |
| 43. K Muchnik vs Tseitlin |
| 1-0 | 35 | 1966 | National Tournament | E82 King's Indian, Samisch, double Fianchetto Variation |
| 44. V Karasev vs K Muchnik |
| 0-1 | 40 | 1966 | National Tournament | C86 Ruy Lopez, Worrall Attack |
| 45. Smirnov vs K Muchnik |
| 0-1 | 36 | 1966 | National Tournament | B74 Sicilian, Dragon, Classical |
| 46. K Muchnik vs N Bakulin |
| 0-1 | 27 | 1967 | Olympiad | C36 King's Gambit Accepted, Abbazia Defense |
| 47. V Karlson vs K Muchnik |
| 1-0 | 41 | 1967 | Moscow | B09 Pirc, Austrian Attack |
| 48. K Muchnik vs N Bakulin |
| 0-1 | 27 | 1967 | Moscow Team Championship | C36 King's Gambit Accepted, Abbazia Defense |
| 49. K Muchnik vs Lilienthal |
| 1-0 | 47 | 1967 | Moscow Team Championship | C18 French, Winawer |
| 50. I A Zaitsev vs K Muchnik |
| ½-½ | 25 | 1967 | Moscow Team Championship | C19 French, Winawer, Advance |
Kibitzing
