| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. L Steiner vs J Lokvenc |
| 1-0 | 29 | 1927 | Trebitsch Memorial | B83 Sicilian |
| 27. J Lokvenc vs T Gruber |
| ½-½ | 31 | 1927 | Trebitsch Memorial | E18 Queen's Indian, Old Main line, 7.Nc3 |
| 28. S R Wolf vs J Lokvenc |
| 0-1 | 47 | 1927 | Trebitsch Memorial | B02 Alekhine's Defense |
| 29. J Lokvenc vs S Takacs |
| 1-0 | 34 | 1927 | Trebitsch Memorial | A15 English |
| 30. Gruenfeld vs J Lokvenc |
| 1-0 | 47 | 1927 | Trebitsch Memorial | E12 Queen's Indian |
| 31. A Duenmann vs J Lokvenc |
| 0-1 | 35 | 1927 | Trebitsch Memorial | A21 English |
| 32. J Lokvenc vs S Beutum |
 | 1-0 | 34 | 1927 | Trebitsch Memorial | A35 English, Symmetrical |
| 33. B Hoenlinger vs J Lokvenc |
| ½-½ | 41 | 1927 | Trebitsch Memorial | E32 Nimzo-Indian, Classical |
| 34. J Lokvenc vs A Lewit |
| 1-0 | 90 | 1927 | Trebitsch Memorial | A13 English |
| 35. H Mueller vs J Lokvenc |
| 1-0 | 77 | 1927 | Trebitsch Memorial | E60 King's Indian Defense |
| 36. J Lokvenc vs A Becker |
| 0-1 | 61 | 1927 | Trebitsch Memorial | B83 Sicilian |
| 37. Maroczy vs J Lokvenc |
| ½-½ | 29 | 1927 | London Olympiad | B83 Sicilian |
| 38. L Prokes vs J Lokvenc |
 | 0-1 | 28 | 1927 | London Olympiad | B09 Pirc, Austrian Attack |
| 39. J Lokvenc vs A Nogues Acuna |
| 1-0 | 50 | 1927 | London Olympiad | B20 Sicilian |
| 40. J Lokvenc vs O Zimmermann |
| 0-1 | 36 | 1927 | London Olympiad | A12 English with b3 |
| 41. A Becker vs J Lokvenc |
| 0-1 | 43 | 1928 | Trebitsch Memorial | B40 Sicilian |
| 42. J Lokvenc vs L von Dory |
| 0-1 | 48 | 1928 | Trebitsch Memorial | A14 English |
| 43. Gruenfeld vs J Lokvenc |
| ½-½ | 35 | 1928 | Trebitsch Memorial | A90 Dutch |
| 44. J Lokvenc vs S Takacs |
| ½-½ | 45 | 1928 | Trebitsch Memorial | B03 Alekhine's Defense |
| 45. B Hoenlinger vs J Lokvenc |
| ½-½ | 26 | 1928 | Trebitsch Memorial | E15 Queen's Indian |
| 46. Tartakower vs J Lokvenc |
| 1-0 | 37 | 1928 | Trebitsch Memorial | B40 Sicilian |
| 47. S Beutum vs J Lokvenc |
| 0-1 | 61 | 1928 | Trebitsch Memorial | B95 Sicilian, Najdorf, 6...e6 |
| 48. J Lokvenc vs E Steiner |
| 1-0 | 41 | 1928 | Trebitsch Memorial | A54 Old Indian, Ukrainian Variation, 4.Nf3 |
| 49. H Mueller vs J Lokvenc |
| 0-1 | 37 | 1928 | Trebitsch Memorial | D30 Queen's Gambit Declined |
| 50. J Lokvenc vs Kmoch |
| ½-½ | 25 | 1928 | Trebitsch Memorial | A14 English |
Kibitzing
