| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Umansky vs D Veytsel |
| 1-0 | 40 | 1977 | URS-ch13 corr7778 | A29 English, Four Knights, Kingside Fianchetto |
| 27. L Aronson vs M Umansky |
 | 0-1 | 35 | 1977 | URS-ch13 corr7778 | C51 Evans Gambit |
| 28. Y Kutyanin vs M Umansky |
| 0-1 | 61 | 1977 | URS-ch13 corr7778 | C95 Ruy Lopez, Closed, Breyer |
| 29. H Burger vs M Umansky |
| ½-½ | 28 | 1982 | olm10 qual GP2 B1 corr | E11 Bogo-Indian Defense |
| 30. J Berry vs M Umansky |
| ½-½ | 21 | 1982 | olm10 qual GP2 B1 corr | A15 English |
| 31. K Ozols vs M Umansky |
| 0-1 | 38 | 1982 | olm10 qual GP2 B1 corr | A18 English, Mikenas-Carls |
| 32. M Umansky vs M Blokh |
| 1-0 | 38 | 1983 | corr | A72 Benoni, Classical without 9.O-O |
| 33. J Hebert vs M Umansky |
| 0-1 | 23 | 1984 | W-ch13 q03 corr8489 | D32 Queen's Gambit Declined, Tarrasch |
| 34. V Shtyrenkov vs M Umansky |
| 1-0 | 54 | 1986 | URS | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 35. M Umansky vs S Khlusevich |
| 1-0 | 37 | 1986 | URS | E09 Catalan, Closed |
| 36. M Umansky vs V Doroshkievich |
| 1-0 | 38 | 1986 | URS | C18 French, Winawer |
| 37. M Umansky vs V Petrienko |
| 0-1 | 31 | 1986 | URS | A37 English, Symmetrical |
| 38. M Umansky vs D Kudischewitsch |
| 1-0 | 16 | 1987 | Yaroslavl | D17 Queen's Gambit Declined Slav |
| 39. M Umansky vs L Sokolin |
| 1-0 | 28 | 1987 | Leningrad - Moscow | D43 Queen's Gambit Declined Semi-Slav |
| 40. M Umansky vs D Kayumov |
| 0-1 | 32 | 1989 | Primorsko op | E30 Nimzo-Indian, Leningrad |
| 41. M Umansky vs D Andreev |
| 0-1 | 46 | 1989 | Primorsko op | D31 Queen's Gambit Declined |
| 42. M Umansky vs S Fokin |
| 1-0 | 49 | 1989 | URS-sf RUS-ch | E11 Bogo-Indian Defense |
| 43. I Ibragimov vs M Umansky |
| 1-0 | 63 | 1989 | URS-sf RUS-ch | A01 Nimzovich-Larsen Attack |
| 44. A Khasin vs M Umansky |
| 1-0 | 42 | 1989 | URS-sf RUS-ch | A08 King's Indian Attack |
| 45. A V Kharitonov vs M Umansky |
| ½-½ | 16 | 1989 | URS-sf RUS-ch | E11 Bogo-Indian Defense |
| 46. V Kron vs M Umansky |
| 0-1 | 43 | 1989 | URS-sf RUS-ch | A22 English |
| 47. M Umansky vs G Tunik |
| 1-0 | 61 | 1989 | URS-sf RUS-ch | E12 Queen's Indian |
| 48. M Umansky vs V Utemov |
| ½-½ | 65 | 1989 | URS-sf RUS-ch | A56 Benoni Defense |
| 49. Vyzmanavin vs M Umansky |
| 1-0 | 36 | 1989 | URS-sf RUS-ch | E11 Bogo-Indian Defense |
| 50. M Umansky vs Dreev |
| 1-0 | 62 | 1989 | URS-sf RUS-ch | D43 Queen's Gambit Declined Semi-Slav |
Kibitzing
