| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. M Umansky vs D Kudischewitsch |
| 0-1 | 26 |
1966 |
URS-chT | D04 Queen's Pawn Game |
| 2. Adorjan vs M Umansky |
 | ½-½ | 31 |
1968 |
HUN-URS | B06 Robatsch |
| 3. E Turunen vs M Umansky |
| 0-1 | 21 |
1968 |
URS-Scandinavia U20 | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 4. M Umansky vs Ribli |
| 0-1 | 39 |
1968 |
HUN-URS | B53 Sicilian |
| 5. Adorjan vs M Umansky |
| 1-0 | 36 |
1968 |
HUN-URS | B06 Robatsch |
| 6. M Umansky vs Ribli |
 | 0-1 | 38 |
1968 |
HUN-URS | A16 English |
| 7. Ribli vs M Umansky |
 | 0-1 | 55 |
1968 |
HUN-URS | B33 Sicilian |
| 8. M Umansky vs Adorjan |
| ½-½ | 20 |
1968 |
HUN-URS | A15 English |
| 9. J F Kutianin vs M Umansky |
| 0-1 | 61 |
1977 |
URS-ch13 corr7778 | C95 Ruy Lopez, Closed, Breyer |
| 10. M Umansky vs MV Shishlov |
| ½-½ | 31 |
1977 |
URS-ch13 corr7778 | E63 King's Indian, Fianchetto, Panno Variation |
| 11. M Umansky vs J Konoval |
| 1-0 | 35 |
1977 |
URS-ch13 corr7778 | D94 Grunfeld |
| 12. N Poleshchuk vs M Umansky |
| 0-1 | 70 |
1977 |
URS-ch13 corr7778 | C95 Ruy Lopez, Closed, Breyer |
| 13. M Umansky vs E Balendo |
| 1-0 | 35 |
1977 |
13th USSR CC Championship | E82 King's Indian, Samisch, double Fianchetto Variation |
| 14. M Umansky vs D Veytsel |
| 1-0 | 40 |
1977 |
URS-ch13 corr7778 | A29 English, Four Knights, Kingside Fianchetto |
| 15. L Aronson vs M Umansky |
| 0-1 | 35 |
1977 |
URS-ch13 corr7778 | C51 Evans Gambit |
| 16. M Umansky vs B Kolker |
| ½-½ | 16 |
1977 |
URS-ch13 corr7778 | A14 English |
| 17. A B Podolsky vs M Umansky |
| 0-1 | 38 |
1977 |
URS-ch13 corr7778 | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 18. M Umansky vs A Y Vasilyev |
| 1-0 | 24 |
1977 |
URS-ch13 corr7778 | A10 English |
| 19. G Kotenko vs M Umansky |
| 0-1 | 36 |
1977 |
URS-ch13 corr7778 | E41 Nimzo-Indian |
| 20. M Umansky vs B Kogan |
| ½-½ | 18 |
1977 |
URS-ch13 corr7778 | A29 English, Four Knights, Kingside Fianchetto |
| 21. G Nesis vs M Umansky |
| ½-½ | 18 |
1977 |
URS-ch13 corr7778 | E17 Queen's Indian |
| 22. M Umansky vs O Shuvalov |
| ½-½ | 35 |
1977 |
URS-ch13 corr7778 | A29 English, Four Knights, Kingside Fianchetto |
| 23. I Kudinov vs M Umansky |
| 0-1 | 31 |
1977 |
URS-ch13 corr7778 | C95 Ruy Lopez, Closed, Breyer |
| 24. M Umansky vs I Foygel |
 | 1-0 | 21 |
1977 |
URS-ch13 corr7778 | E87 King's Indian, Samisch, Orthodox |
| 25. J Berry vs M Umansky |
| ½-½ | 21 |
1982 |
olm10 qual GP2 B1 corr | A15 English |