| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. P van der Weide vs T Krabbe |
| ½-½ | 26 | 1970 | Hoogovens M-4K | B13 Caro-Kann, Exchange |
| 27. F Henneberke vs P van der Weide |
| 1-0 | 29 | 1970 | Hoogovens M-4K | A02 Bird's Opening |
| 28. J Barendregt vs P van der Weide |
| 1-0 | 43 | 1970 | Hoogovens M-4K | A89 Dutch, Leningrad, Main Variation with Nc6 |
| 29. P van der Weide vs L Kerkhoff |
 | ½-½ | 60 | 1970 | Dutch Championship | C28 Vienna Game |
| 30. J Marcus vs P van der Weide |
| ½-½ | 24 | 1970 | Dutch Championship | B32 Sicilian |
| 31. P van der Weide vs J van Baarle |
| 1-0 | 37 | 1970 | Dutch Championship | B45 Sicilian, Taimanov |
| 32. J Kort vs P van der Weide |
| ½-½ | 43 | 1970 | Dutch Championship | A80 Dutch |
| 33. P van der Weide vs E Scholl |
| ½-½ | 17 | 1970 | Dutch Championship | B48 Sicilian, Taimanov Variation |
| 34. K Langeweg vs P van der Weide |
| ½-½ | 22 | 1970 | Dutch Championship | A04 Reti Opening |
| 35. P van der Weide vs R Hartoch |
| 1-0 | 54 | 1970 | Dutch Championship | B48 Sicilian, Taimanov Variation |
| 36. A Jongsma vs P van der Weide |
| ½-½ | 41 | 1970 | Dutch Championship | A00 Uncommon Opening |
| 37. P van der Weide vs C Zuidema |
| 0-1 | 43 | 1970 | Dutch Championship | C28 Vienna Game |
| 38. J Vogel vs P van der Weide |
| ½-½ | 19 | 1970 | Dutch Championship | A10 English |
| 39. P van der Weide vs T de Ruiter |
| ½-½ | 11 | 1970 | Dutch Championship | A07 King's Indian Attack |
| 40. D van Geet vs P van der Weide |
 | ½-½ | 22 | 1970 | Amsterdam IBM-B | A01 Nimzovich-Larsen Attack |
| 41. P van der Weide vs Adorjan |
| ½-½ | 26 | 1970 | Amsterdam IBM-B | B36 Sicilian, Accelerated Fianchetto |
| 42. Westerinen vs P van der Weide |
| 1-0 | 31 | 1970 | Amsterdam IBM-B | B30 Sicilian |
| 43. P van der Weide vs L Prins |
| 0-1 | 24 | 1970 | Amsterdam IBM-B | B07 Pirc |
| 44. J Bednarski vs P van der Weide |
| 1-0 | 39 | 1970 | Amsterdam IBM-B | B32 Sicilian |
| 45. N Cortlever vs P van der Weide |
| ½-½ | 41 | 1970 | Amsterdam IBM-B | B45 Sicilian, Taimanov |
| 46. P van der Weide vs S Hamann |
| 0-1 | 38 | 1970 | Amsterdam IBM-B | B93 Sicilian, Najdorf, 6.f4 |
| 47. J Piket vs P van der Weide |
| 0-1 | 28 | 1970 | Amsterdam IBM-B | A85 Dutch, with c4 & Nc3 |
| 48. P van der Weide vs S Tatai |
| 0-1 | 37 | 1970 | Amsterdam IBM-B | B93 Sicilian, Najdorf, 6.f4 |
| 49. Timman vs P van der Weide |
| 0-1 | 41 | 1970 | Amsterdam IBM-B | A07 King's Indian Attack |
| 50. P van der Weide vs Timman |
| 0-1 | 55 | 1971 | Dutch Championship | B06 Robatsch |
Kibitzing
