| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Bronstein vs M Bonch-Osmolovsky |
 | 1-0 | 37 | 1946 | Moscow Championship | B72 Sicilian, Dragon |
| 27. V Tarasov vs M Bonch-Osmolovsky |
| 1-0 | 33 | 1948 | URS-qf Moscow2 (Masters-Candidate Masters) | A46 Queen's Pawn Game |
| 28. M Bonch-Osmolovsky vs R Altshuler |
| 1-0 | 35 | 1948 | URS-qf Moscow2 (Masters-Candidate Masters) | B60 Sicilian, Richter-Rauzer |
| 29. M Bonch-Osmolovsky vs L Abramov |
| 1-0 | 45 | 1949 | Moscow Championship | B54 Sicilian |
| 30. E Zagoryansky vs M Bonch-Osmolovsky |
| 1-0 | 43 | 1949 | Moscow Championship | E01 Catalan, Closed |
| 31. V Trupan vs M Bonch-Osmolovsky |
| 0-1 | 28 | 1949 | Moscow Championship | C64 Ruy Lopez, Classical |
| 32. Y Shteinsapir vs M Bonch-Osmolovsky |
| 0-1 | 41 | 1949 | Moscow Championship | C49 Four Knights |
| 33. G Ravinsky vs M Bonch-Osmolovsky |
| 0-1 | 46 | 1949 | Moscow Championship | E03 Catalan, Open |
| 34. Panov vs M Bonch-Osmolovsky |
| 1-0 | 41 | 1949 | Moscow Championship | C64 Ruy Lopez, Classical |
| 35. M Bonch-Osmolovsky vs A Chistiakov |
| ½-½ | 66 | 1949 | Moscow Championship | B59 Sicilian, Boleslavsky Variation, 7.Nb3 |
| 36. M Bonch-Osmolovsky vs Y Estrin |
| 0-1 | 26 | 1949 | Moscow Championship | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 37. M Bonch-Osmolovsky vs G Fridstein |
| ½-½ | 24 | 1949 | Moscow Championship | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 38. M Bonch-Osmolovsky vs Lilienthal |
| 0-1 | 62 | 1949 | Moscow Championship | C91 Ruy Lopez, Closed |
| 39. M Bonch-Osmolovsky vs M Yudovich Sr |
| ½-½ | 27 | 1949 | Moscow Championship | C92 Ruy Lopez, Closed |
| 40. Averbakh vs M Bonch-Osmolovsky |
| 1-0 | 46 | 1949 | Moscow Championship | C64 Ruy Lopez, Classical |
| 41. E Zagoryansky vs M Bonch-Osmolovsky |
| 1-0 | 37 | 1949 | Ch Moscow (1/2 final) | E17 Queen's Indian |
| 42. M Bonch-Osmolovsky vs Simagin |
| ½-½ | 90 | 1949 | Moscow Championship | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 43. M Bonch-Osmolovsky vs A Konstantinopolsky |
| 1-0 | 70 | 1949 | Moscow Championship | B16 Caro-Kann, Bronstein-Larsen Variation |
| 44. O Moiseev vs M Bonch-Osmolovsky |
| 1-0 | 56 | 1949 | URS-ch sf Moscow | D34 Queen's Gambit Declined, Tarrasch |
| 45. M Bonch-Osmolovsky vs G Goldberg |
| ½-½ | 29 | 1949 | URS-ch sf Moscow | B18 Caro-Kann, Classical |
| 46. M Bonch-Osmolovsky vs V Lyublinsky |
| 1-0 | 30 | 1949 | URS-ch sf Moscow | C73 Ruy Lopez, Modern Steinitz Defense |
| 47. M Kamyshov vs M Bonch-Osmolovsky |
| 1-0 | 62 | 1949 | URS-ch sf Moscow | E37 Nimzo-Indian, Classical |
| 48. M Bonch-Osmolovsky vs M Beilin |
| 0-1 | 41 | 1949 | URS-ch sf Moscow | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 49. M Bonch-Osmolovsky vs I Kan |
| 1-0 | 57 | 1949 | URS-ch sf Moscow | B55 Sicilian, Prins Variation, Venice Attack |
| 50. A Batuev vs M Bonch-Osmolovsky |
| 1-0 | 36 | 1949 | URS-ch sf Moscow | E70 King's Indian |
Kibitzing
