| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Melnbardis vs Koblents |
| 1-0 | 66 | 1937 | 6th Lat. congress grp.1 | B40 Sicilian |
| 27. G Bezruchko vs Koblents |
| 0-1 | 38 | 1937 | 6th Lat. congress grp.1 | E32 Nimzo-Indian, Classical |
| 28. J Florian vs Koblents |
| 0-1 | 38 | 1937 | Brno | A09 Reti Opening |
| 29. Z Hostinsky vs Koblents |
| ½-½ | 51 | 1937 | Brno | A12 English with b3 |
| 30. D May vs Koblents |
| ½-½ | 18 | 1937 | Brno | D27 Queen's Gambit Accepted, Classical |
| 31. Koblents vs L Ehrlich |
| ½-½ | 60 | 1937 | Brno | D43 Queen's Gambit Declined Semi-Slav |
| 32. Koblents vs J Molisch |
| ½-½ | 100 | 1937 | Brno | A09 Reti Opening |
| 33. Koblents vs J Barta |
| 1-0 | 64 | 1937 | Brno | D30 Queen's Gambit Declined |
| 34. Koblents vs J Koska |
| 1-0 | 35 | 1937 | Brno | A33 English, Symmetrical |
| 35. P Herman vs Koblents |
| 0-1 | 45 | 1937 | Brno | E32 Nimzo-Indian, Classical |
| 36. Koblents vs A Haida |
| 1-0 | 60 | 1937 | Brno | E80 King's Indian, Samisch Variation |
| 37. L Steiner vs Koblents |
  | 0-1 | 35 | 1937 | Brno | B05 Alekhine's Defense, Modern |
| 38. Koblents vs B Urban |
| 1-0 | 45 | 1937 | Brno | A46 Queen's Pawn Game |
| 39. Koblents vs V Rosenbergs |
| 0-1 | 42 | 1938 | Riga championship group 2 | A15 English |
| 40. Koblents vs M Feigin |
| 1-0 | 41 | 1938 | Riga championship playoff | D37 Queen's Gambit Declined |
| 41. M Feigin vs Koblents |
| ½-½ | 41 | 1938 | Riga championship playoff | E34 Nimzo-Indian, Classical, Noa Variation |
| 42. Koblents vs L Laurine |
| 1-0 | 38 | 1938 | Match 1st Riga - Tallinn Chess clubs | D02 Queen's Pawn Game |
| 43. L Laurine vs Koblents |
| ½-½ | 30 | 1938 | Match 1st Riga - Tallinn Chess clubs | E53 Nimzo-Indian, 4.e3 |
| 44. Koblents vs V Castaldi |
| 0-1 | 27 | 1938 | Crespi Memorial | D34 Queen's Gambit Declined, Tarrasch |
| 45. M Romi vs Koblents |
| 0-1 | 29 | 1938 | Crespi Memorial | D02 Queen's Pawn Game |
| 46. Koblents vs M Riello |
| 1-0 | 25 | 1938 | Crespi Memorial | A15 English |
| 47. Koblents vs Eliskases |
| 1-0 | 47 | 1938 | Crespi Memorial | E64 King's Indian, Fianchetto, Yugoslav System |
| 48. Koblents vs G Stalda |
| 1-0 | 31 | 1938 | Crespi Memorial | A15 English |
| 49. Koblents vs M Feigin |
| 1-0 | 30 | 1938 | Riga championship playoff | D18 Queen's Gambit Declined Slav, Dutch |
| 50. Koblents vs T Melngailis |
| 0-1 | 40 | 1938 | 7th Latvian congress group B | E26 Nimzo-Indian, Samisch |
Kibitzing
