| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. C Carsten vs S Landau |
| 0-1 | 34 | 1928 | Amsterdam-ch | B02 Alekhine's Defense |
| 27. J Davidson vs S Landau |
| 0-1 | 54 | 1928 | Amsterdam-ch | E16 Queen's Indian |
| 28. S Landau vs J W Rivkine |
 | 1-0 | 46 | 1928 | Hastings 1927/28 Major A | E17 Queen's Indian |
| 29. S Landau vs Euwe |
| 0-1 | 34 | 1928 | NRSV-ASC | D15 Queen's Gambit Declined Slav |
| 30. S Landau vs NN |
| 1-0 | 20 | 1928 | Simul | A04 Reti Opening |
| 31. S Landau vs J van Weering |
| 1-0 | 23 | 1928 | NRSV winter | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 32. S Landau vs P van Hoorn |
| 1-0 | 38 | 1928 | VAS Easter Tournament | D15 Queen's Gambit Declined Slav |
| 33. E Spanjaard vs S Landau |
| 1-0 | 24 | 1928 | VAS Easter Tournament | E12 Queen's Indian |
| 34. Colle vs S Landau |
| 1-0 | 32 | 1928 | VAS Easter Tournament | A46 Queen's Pawn Game |
| 35. S Landau vs Colle |
| ½-½ | 31 | 1928 | Colle - Landau | E00 Queen's Pawn Game |
| 36. Colle vs S Landau |
| ½-½ | 30 | 1928 | Colle - Landau | D05 Queen's Pawn Game |
| 37. S Landau vs Colle |
| ½-½ | 58 | 1928 | Colle - Landau | E38 Nimzo-Indian, Classical, 4...c5 |
| 38. Colle vs S Landau |
| 1-0 | 35 | 1928 | Colle - Landau | E94 King's Indian, Orthodox |
| 39. S Landau vs Colle |
| 0-1 | 30 | 1928 | Colle - Landau | D07 Queen's Gambit Declined, Chigorin Defense |
| 40. Colle vs S Landau |
| 1-0 | 28 | 1928 | Colle - Landau | A47 Queen's Indian |
| 41. S Landau vs Colle |
| ½-½ | 30 | 1928 | Colle - Landau | D67 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 42. Colle vs S Landau |
| ½-½ | 50 | 1928 | Colle - Landau | E94 King's Indian, Orthodox |
| 43. S Landau vs Colle |
| ½-½ | 42 | 1928 | Colle - Landau | E16 Queen's Indian |
| 44. Colle vs S Landau |
| 0-1 | 31 | 1928 | Colle - Landau | E94 King's Indian, Orthodox |
| 45. G Oskam vs S Landau |
| 0-1 | 42 | 1928 | Zwolle | A07 King's Indian Attack |
| 46. S Landau vs Noteboom |
| 0-1 | 47 | 1928 | Landau-Noteboom m | D63 Queen's Gambit Declined, Orthodox Defense |
| 47. Noteboom vs S Landau |
| 0-1 | 42 | 1928 | Landau-Noteboom m | E80 King's Indian, Samisch Variation |
| 48. S Landau vs L Rellstab |
| ½-½ | 35 | 1929 | Hastings | E38 Nimzo-Indian, Classical, 4...c5 |
| 49. S Landau vs Euwe |
| 0-1 | 50 | 1929 | ASC-NRSV | D52 Queen's Gambit Declined |
| 50. H Weenink vs S Landau |
| 1-0 | 37 | 1929 | NRSV-VAS | D51 Queen's Gambit Declined |
Kibitzing
