| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Usachy vs A Khasin |
| ½-½ | 17 | 1955 | URS-ch sf Moscow | E30 Nimzo-Indian, Leningrad |
| 27. A Shagalovich vs M Usachy |
| ½-½ | 34 | 1955 | 4th Soviet Team-ch final | C95 Ruy Lopez, Closed, Breyer |
| 28. M Usachy vs N Kopilov |
| 0-1 | 48 | 1955 | 4th Soviet Team-ch final | A90 Dutch |
| 29. K Klasups vs M Usachy |
| 1-0 | 46 | 1955 | 4th Soviet Team-ch final | A70 Benoni, Classical with 7.Nf3 |
| 30. M Usachy vs A Khavin |
| 1-0 | 45 | 1956 | Kiev Championship | B91 Sicilian, Najdorf, Zagreb (Fianchetto) Variation |
| 31. M Usachy vs I Lipnitsky |
| 0-1 | 44 | 1956 | Kiev Championship | E51 Nimzo-Indian, 4.e3 |
| 32. I Kurass vs M Usachy |
| 1-0 | 32 | 1956 | Kiev Championship | B28 Sicilian, O'Kelly Variation |
| 33. V Shiyanovsky vs M Usachy |
| 1-0 | 25 | 1956 | Kiev Championship | B94 Sicilian, Najdorf |
| 34. M Usachy vs Y Kotkov |
 | ½-½ | 60 | 1957 | RUS-UKR | B28 Sicilian, O'Kelly Variation |
| 35. Y Kotkov vs M Usachy |
| 0-1 | 29 | 1957 | RUS-UKR | C65 Ruy Lopez, Berlin Defense |
| 36. A Makarov vs M Usachy |
| ½-½ | 41 | 1957 | Ukrainian Championship | C45 Scotch Game |
| 37. M Usachy vs Flohr |
| ½-½ | 29 | 1957 | Ukrainian Championship | B43 Sicilian, Kan, 5.Nc3 |
| 38. Geller vs M Usachy |
| 1-0 | 43 | 1957 | Ukrainian Championship | A17 English |
| 39. M Usachy vs V Zurakhov |
| 1-0 | 49 | 1957 | Ukrainian Championship | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
| 40. E Lazarev vs M Usachy |
| 0-1 | 35 | 1957 | Ukrainian Championship | A50 Queen's Pawn Game |
| 41. M Usachy vs A Bannik |
| 1-0 | 88 | 1957 | Ukrainian Championship | E52 Nimzo-Indian, 4.e3, Main line with ...b6 |
| 42. Lilienthal vs M Usachy |
| 1-0 | 40 | 1957 | Ukrainian Championship | D37 Queen's Gambit Declined |
| 43. M Usachy vs Y Sakharov |
 | ½-½ | 42 | 1957 | Ukrainian Championship | A64 Benoni, Fianchetto, 11...Re8 |
| 44. I Pogrebissky vs M Usachy |
| 0-1 | 47 | 1957 | Ukrainian Championship | D32 Queen's Gambit Declined, Tarrasch |
| 45. M Usachy vs Stein |
| 0-1 | 34 | 1957 | Ukrainian Championship | A85 Dutch, with c4 & Nc3 |
| 46. E Kogan vs M Usachy |
| ½-½ | 28 | 1957 | Ukrainian Championship | C96 Ruy Lopez, Closed |
| 47. M Usachy vs A Kostiuchenko |
| ½-½ | 41 | 1957 | Ukrainian Championship | D45 Queen's Gambit Declined Semi-Slav |
| 48. B Korsakov vs M Usachy |
| 0-1 | 43 | 1957 | Ukrainian Championship | D33 Queen's Gambit Declined, Tarrasch |
| 49. M Usachy vs Y Nikolaevsky |
| 0-1 | 50 | 1957 | Ukrainian Championship | E80 King's Indian, Samisch Variation |
| 50. V Shiyanovsky vs M Usachy |
| 1-0 | 42 | 1957 | Ukrainian Championship | D37 Queen's Gambit Declined |
Kibitzing
