| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J H Donner vs J van Baarle |
| 0-1 | 33 | 1969 | Dutch Championship | A79 Benoni, Classical, 11.f3 |
| 27. Timman vs J van Baarle |
| 1-0 | 40 | 1969 | Dutch Championship | A00 Uncommon Opening |
| 28. J van Baarle vs E Scholl |
| ½-½ | 41 | 1969 | Dutch Championship | D94 Grunfeld |
| 29. H Ree vs J van Baarle |
| ½-½ | 61 | 1969 | Dutch Championship | A37 English, Symmetrical |
| 30. J van Baarle vs K Langeweg |
| 0-1 | 38 | 1969 | Dutch Championship | E12 Queen's Indian |
| 31. M Etmans vs J van Baarle |
| 0-1 | 71 | 1969 | Dutch Championship | B18 Caro-Kann, Classical |
| 32. J van Baarle vs F Kuijpers |
| ½-½ | 15 | 1969 | Dutch Championship | D55 Queen's Gambit Declined |
| 33. J van Baarle vs Csom |
| 0-1 | 39 | 1969 | Amsterdam IBM-B | E12 Queen's Indian |
| 34. J Diez del Corral vs J van Baarle |
| 1-0 | 36 | 1969 | Amsterdam IBM-B | B01 Scandinavian |
| 35. J van Baarle vs C Zuidema |
| ½-½ | 74 | 1969 | Amsterdam IBM-B | D55 Queen's Gambit Declined |
| 36. P de Rooi vs J van Baarle |
| ½-½ | 44 | 1969 | Amsterdam IBM-B | A10 English |
| 37. J van Baarle vs E Scholl |
| ½-½ | 41 | 1969 | Amsterdam IBM-B | E92 King's Indian |
| 38. M Gerusel vs J van Baarle |
| 0-1 | 65 | 1969 | Amsterdam IBM-B | A79 Benoni, Classical, 11.f3 |
| 39. J van Baarle vs K Maeder |
| ½-½ | 33 | 1969 | Amsterdam IBM-B | E92 King's Indian |
| 40. T van Scheltinga vs J van Baarle |
| 1-0 | 42 | 1969 | Amsterdam IBM-B | E92 King's Indian |
| 41. J van Baarle vs S Johannessen |
| ½-½ | 48 | 1969 | Amsterdam IBM-B | D94 Grunfeld |
| 42. J van Baarle vs P Ostojic |
| 1-0 | 36 | 1969 | Amsterdam IBM-B | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 43. M Ujtelky vs J van Baarle |
| 0-1 | 46 | 1969 | Amsterdam IBM-B | A10 English |
| 44. C Zuidema vs J van Baarle |
| 1-0 | 46 | 1970 | Dutch Championship | B45 Sicilian, Taimanov |
| 45. J van Baarle vs J Vogel |
| 1-0 | 33 | 1970 | Dutch Championship | D32 Queen's Gambit Declined, Tarrasch |
| 46. P van der Weide vs J van Baarle |
| 1-0 | 37 | 1970 | Dutch Championship | B45 Sicilian, Taimanov |
| 47. J van Baarle vs L Kerkhoff |
| ½-½ | 21 | 1970 | Dutch Championship | E97 King's Indian |
| 48. J Marcus vs J van Baarle |
| 0-1 | 41 | 1970 | Dutch Championship | A04 Reti Opening |
| 49. T de Ruiter vs J van Baarle |
| 0-1 | 29 | 1970 | Dutch Championship | A02 Bird's Opening |
| 50. J van Baarle vs J Kort |
| ½-½ | 36 | 1970 | Dutch Championship | D31 Queen's Gambit Declined |
Kibitzing
