| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. K Muchnik vs M Levin |
| 1-0 | 22 | 1948 | URS-qf Kharkov (Masters-Candidate Masters) | C10 French |
| 2. J Yuchtman vs K Muchnik |
| 1-0 | 43 | 1957 | Ch Moscow (1/2 final) | B06 Robatsch |
| 3. K Muchnik vs Polugaevsky |
| ½-½ | 12 | 1958 | URS-ch sf Baku | B90 Sicilian, Najdorf |
| 4. K Muchnik vs S Zhukhovitsky |
| 1-0 | 37 | 1958 | URS-ch sf Baku | B40 Sicilian |
| 5. Antoshin vs K Muchnik |
| 1-0 | 31 | 1958 | URS-ch sf Baku | A55 Old Indian, Main line |
| 6. K Muchnik vs Aronin |
| 0-1 | 34 | 1958 | URS-ch sf Baku | B92 Sicilian, Najdorf, Opocensky Variation |
| 7. K Muchnik vs V Shiyanovsky |
| 0-1 | 35 | 1958 | URS-ch sf Baku | A56 Benoni Defense |
| 8. K Muchnik vs S Khalilbeili |
| ½-½ | 52 | 1958 | URS-ch sf Baku | B11 Caro-Kann, Two Knights, 3...Bg4 |
| 9. Y Estrin vs K Muchnik |
| ½-½ | 33 | 1958 | URS-ch sf Baku | C05 French, Tarrasch |
| 10. K Muchnik vs D Abakarov |
| 0-1 | 54 | 1958 | URS-ch sf Baku | E30 Nimzo-Indian, Leningrad |
| 11. K Muchnik vs Taimanov |
| 0-1 | 41 | 1958 | URS-ch sf Baku | B40 Sicilian |
| 12. V Zak vs K Muchnik |
| 0-1 | 35 | 1958 | Moscow - Leningrad | A53 Old Indian |
| 13. K Muchnik vs V Zak |
 | 1-0 | 23 | 1958 | Moscow - Leningrad | B77 Sicilian, Dragon, Yugoslav Attack |
| 14. M Beilin vs K Muchnik |
| 1-0 | 34 | 1959 | Moscow Central Chess Club Championship | A48 King's Indian |
| 15. K Muchnik vs A Volovich |
| ½-½ | 28 | 1959 | Moscow Central Chess Club Championship | C30 King's Gambit Declined |
| 16. K Muchnik vs A Khasin |
| ½-½ | 19 | 1959 | Moscow Central Chess Club Championship | B43 Sicilian, Kan, 5.Nc3 |
| 17. A Polyak vs K Muchnik |
| ½-½ | 47 | 1959 | Moscow Central Chess Club Championship | B43 Sicilian, Kan, 5.Nc3 |
| 18. K Muchnik vs Y Estrin |
| ½-½ | 24 | 1959 | Moscow Central Chess Club Championship | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 19. A Khachaturov vs K Muchnik |
| 0-1 | 22 | 1959 | Moscow Central Chess Club Championship | D01 Richter-Veresov Attack |
| 20. Simagin vs K Muchnik |
| 1-0 | 56 | 1959 | Moscow Central Chess Club Championship | E92 King's Indian |
| 21. K Muchnik vs F N Ignatiev |
| 0-1 | 40 | 1961 | Moscow Championship | B96 Sicilian, Najdorf |
| 22. K Muchnik vs Y Estrin |
| 0-1 | 42 | 1961 | Moscow Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 23. Aronin vs K Muchnik |
| 1-0 | 41 | 1961 | Moscow Championship | A16 English |
| 24. V F Titenko vs K Muchnik |
| ½-½ | 59 | 1961 | Moscow Championship | E69 King's Indian, Fianchetto, Classical Main line |
| 25. K Muchnik vs B Shatskes |
| 1-0 | 32 | 1961 | Moscow Championship | B11 Caro-Kann, Two Knights, 3...Bg4 |
Kibitzing
