| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. H Burger vs M Umansky |
 | ½-½ | 28 |
1982 |
olm10 qual GP2 B1 corr | E11 Bogo-Indian Defense |
| 27. F J Berry vs M Umansky |
| ½-½ | 21 |
1982 |
olm10 qual GP2 B1 corr | A15 English |
| 28. Hebert vs M Umansky |
 | 0-1 | 23 |
1984 |
W-ch13 q03 corr8489 | D32 Queen's Gambit Declined, Tarrasch |
| 29. M Umansky vs S Hlusevich |
| 1-0 | 37 |
1986 |
URS | E09 Catalan, Closed |
| 30. M Umansky vs Doroshkievich |
| 1-0 | 38 |
1986 |
URS | C18 French, Winawer |
| 31. V Shtyrenkov vs M Umansky |
 | 1-0 | 54 |
1986 |
URS | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 32. M Umansky vs Petrienko Vladimir |
| 0-1 | 31 |
1986 |
URS | A37 English, Symmetrical |
| 33. M Umansky vs D Kudishevich |
| 1-0 | 16 |
1987 |
Yaroslavl | D17 Queen's Gambit Declined Slav |
| 34. A Korelov vs M Umansky |
| ½-½ | 54 |
1989 |
W-ch13 corr8995 | C95 Ruy Lopez, Closed, Breyer |
| 35. V Palciauskas vs M Umansky |
| 0-1 | 26 |
1989 |
W-ch13 corr8995 | E15 Queen's Indian |
| 36. M Umansky vs S Fokin |
| 1-0 | 49 |
1989 |
URS-sf Russia-ch | E11 Bogo-Indian Defense |
| 37. A Khasin vs M Umansky |
| 1-0 | 42 |
1989 |
URS-sf Russia-ch | A08 King's Indian Attack |
| 38. R Goldenberg vs M Umansky |
| 0-1 | 43 |
1989 |
W-ch13 corr8995 | E38 Nimzo-Indian, Classical, 4...c5 |
| 39. M Umansky vs V Utemov |
| ½-½ | 65 |
1989 |
URS-sf Russia-ch | A56 Benoni Defense |
| 40. M Umansky vs Dreev |
 | 1-0 | 62 |
1989 |
Gorki | D43 Queen's Gambit Declined Semi-Slav |
| 41. F Baumbach vs M Umansky |
| ½-½ | 34 |
1989 |
W-ch13 corr8995 | E38 Nimzo-Indian, Classical, 4...c5 |
| 42. M Umansky vs D Kaiumov |
 | 0-1 | 32 |
1989 |
Primorsko op | E30 Nimzo-Indian, Leningrad |
| 43. A Y Kharitonov vs M Umansky |
| ½-½ | 16 |
1989 |
URS-sf Russia-ch | E11 Bogo-Indian Defense |
| 44. A Zilberberg vs M Umansky |
| ½-½ | 44 |
1989 |
W-ch13 corr8995 | E38 Nimzo-Indian, Classical, 4...c5 |
| 45. M Umansky vs G Tunik |
| 1-0 | 61 |
1989 |
URS-sf Russia-ch | E12 Queen's Indian |
| 46. M Umansky vs Baburin |
| 1-0 | 41 |
1989 |
URS-sf RUS-ch Gorky 16 | E04 Catalan, Open, 5.Nf3 |
| 47. M Umansky vs V Tomkovich |
| 1-0 | 33 |
1989 |
13th CC World Ch Final | D30 Queen's Gambit Declined |
| 48. E Bang vs M Umansky |
| 0-1 | 41 |
1989 |
W-ch13 corr8995 | A22 English |
| 49. M Umansky vs D Andreev |
 | 0-1 | 46 |
1989 |
Primorsko op | D31 Queen's Gambit Declined |
| 50. I Ibragimov vs M Umansky |
| 1-0 | 63 |
1989 |
URS-sf Russia-ch | A01 Nimzovich-Larsen Attack |