| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. M Umansky vs D Kudischewitsch |
 | 0-1 | 26 | 1966 | USSR Junior Championship | D04 Queen's Pawn Game |
| 2. M Umansky vs M Shereshevsky |
| 1-0 | 25 | 1966 | USSR Junior Championship | B88 Sicilian, Fischer-Sozin Attack |
| 3. E Turunen vs M Umansky |
| 0-1 | 21 | 1968 | URS-Scandinavia U20 | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 4. Lebovich vs M Umansky |
| 1-0 | 28 | 1968 | USSR Junior Championship | C45 Scotch Game |
| 5. V Arbakov vs M Umansky |
| 0-1 | 31 | 1968 | USSR Junior Championship | B45 Sicilian, Taimanov |
| 6. Meiran vs M Umansky |
| 0-1 | 20 | 1968 | USSR Junior Championship | B33 Sicilian |
| 7. Adorjan vs M Umansky |
| ½-½ | 31 | 1968 | Russia - Hungary | B06 Robatsch |
| 8. M Umansky vs Adorjan |
| ½-½ | 20 | 1968 | Russia - Hungary | A15 English |
| 9. Ribli vs M Umansky |
| 0-1 | 55 | 1968 | Russia - Hungary | B45 Sicilian, Taimanov |
| 10. M Umansky vs Ribli |
| 0-1 | 38 | 1968 | Russia - Hungary | A16 English |
| 11. M Umansky vs Ribli |
 | 0-1 | 39 | 1968 | Russia - Hungary | B53 Sicilian |
| 12. Adorjan vs M Umansky |
| 1-0 | 36 | 1968 | Russia - Hungary | B06 Robatsch |
| 13. M Umansky vs Y Konoval |
| 1-0 | 35 | 1977 | URS-ch13 corr7778 | D94 Grunfeld |
| 14. M Umansky vs I Foygel |
| 1-0 | 21 | 1977 | URS-ch13 corr7778 | E87 King's Indian, Samisch, Orthodox |
| 15. M Umansky vs O Shuvalov |
| ½-½ | 35 | 1977 | URS-ch13 corr7778 | A29 English, Four Knights, Kingside Fianchetto |
| 16. G Nesis vs M Umansky |
| ½-½ | 18 | 1977 | URS-ch13 corr7778 | E17 Queen's Indian |
| 17. I Kudinov vs M Umansky |
| 0-1 | 31 | 1977 | URS-ch13 corr7778 | C95 Ruy Lopez, Closed, Breyer |
| 18. L Aronson vs M Umansky |
| 0-1 | 35 | 1977 | URS-ch13 corr7778 | C51 Evans Gambit |
| 19. M Umansky vs MV Shishlov |
| ½-½ | 31 | 1977 | URS-ch13 corr7778 | E63 King's Indian, Fianchetto, Panno Variation |
| 20. M Umansky vs E P Balendo |
| 1-0 | 35 | 1977 | 13th USSR CC Championship | E82 King's Indian, Samisch, double Fianchetto Variation |
| 21. M Umansky vs D Veytsel |
| 1-0 | 40 | 1977 | URS-ch13 corr7778 | A29 English, Four Knights, Kingside Fianchetto |
| 22. M Umansky vs B Kolker |
| ½-½ | 16 | 1977 | URS-ch13 corr7778 | A14 English |
| 23. A B Podolsky vs M Umansky |
| 0-1 | 38 | 1977 | URS-ch13 corr7778 | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 24. M Umansky vs A Y Vasilyev |
| 1-0 | 24 | 1977 | URS-ch13 corr7778 | A10 English |
| 25. Y Kutyanin vs M Umansky |
| 0-1 | 61 | 1977 | URS-ch13 corr7778 | C95 Ruy Lopez, Closed, Breyer |
Kibitzing
