| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. H L Tan vs O Yepez |
| ½-½ | 30 | 1960 | Leipzig Olympiad Final-C | C42 Petrov Defense |
| 27. H L Tan vs E Konci |
| 1-0 | 41 | 1960 | Leipzig Olympiad Final-C | D38 Queen's Gambit Declined, Ragozin Variation |
| 28. A Cardoso vs H L Tan |
| 0-1 | 32 | 1960 | Leipzig Olympiad Final-C | B41 Sicilian, Kan |
| 29. R Naranja vs H L Tan |
| ½-½ | 57 | 1960 | Leipzig Olympiad Final-C | A21 English |
| 30. H L Tan vs A Magrin |
| 1-0 | 41 | 1960 | Leipzig Olympiad Final-C | D60 Queen's Gambit Declined, Orthodox Defense |
| 31. H L Tan vs A Casa |
| 1-0 | 57 | 1960 | Leipzig Olympiad Final-C | A48 King's Indian |
| 32. J Bink vs H L Tan |
| 0-1 | 40 | 1961 | Hoogovens-B | A07 King's Indian Attack |
| 33. H L Tan vs F Roessel |
| 1-0 | 24 | 1961 | Dutch Championship | E70 King's Indian |
| 34. C van den Berg vs H L Tan |
 | 1-0 | 23 | 1961 | Dutch Championship | B43 Sicilian, Kan, 5.Nc3 |
| 35. K Langeweg vs H L Tan |
| 0-1 | 39 | 1961 | Dutch Championship | A17 English |
| 36. H L Tan vs I Branicki |
| 1-0 | 22 | 1961 | Dutch Championship | C70 Ruy Lopez |
| 37. W Wolthuis vs H L Tan |
| ½-½ | 40 | 1961 | Amsterdam IBM | E43 Nimzo-Indian, Fischer Variation |
| 38. H L Tan vs P de Rooi |
| 1-0 | 65 | 1961 | Amsterdam IBM | B32 Sicilian |
| 39. H Johner vs H L Tan |
| ½-½ | 30 | 1961 | Amsterdam IBM | E43 Nimzo-Indian, Fischer Variation |
| 40. H L Tan vs H Crabbendam |
| 0-1 | 29 | 1961 | Amsterdam IBM | A07 King's Indian Attack |
| 41. F Kuijpers vs H L Tan |
| 1-0 | 55 | 1961 | Amsterdam IBM | E24 Nimzo-Indian, Samisch |
| 42. O Bernstein vs H L Tan |
| ½-½ | 73 | 1961 | Amsterdam IBM | B43 Sicilian, Kan, 5.Nc3 |
| 43. H L Tan vs J H Donner |
| 1-0 | 50 | 1961 | Amsterdam IBM | A16 English |
| 44. R G Wade vs H L Tan |
| 0-1 | 58 | 1961 | Amsterdam IBM | E21 Nimzo-Indian, Three Knights |
| 45. H L Tan vs K Langeweg |
| 1-0 | 40 | 1961 | Amsterdam IBM | A17 English |
| 46. J Enevoldsen vs H L Tan |
| 1-0 | 30 | 1961 | Amsterdam IBM | E43 Nimzo-Indian, Fischer Variation |
| 47. H L Tan vs C van den Berg |
| ½-½ | 29 | 1961 | Amsterdam IBM | B44 Sicilian |
| 48. A Dunkelblum vs H L Tan |
| ½-½ | 44 | 1962 | Amsterdam IBM | E34 Nimzo-Indian, Classical, Noa Variation |
| 49. H L Tan vs L Rellstab |
| ½-½ | 32 | 1962 | Amsterdam IBM | A15 English |
| 50. G Kieninger vs H L Tan |
| 1-0 | 42 | 1962 | Amsterdam IBM | B40 Sicilian |
Kibitzing
