| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. V L Szentkiralyi Toth vs J Behrensen |
| 0-1 | 82 | 1956 | Mar del Plata | E80 King's Indian, Samisch Variation |
| 27. J Behrensen vs R A Redolfi |
| 1-0 | 63 | 1956 | Mar del Plata | D48 Queen's Gambit Declined Semi-Slav, Meran |
| 28. Bolbochan vs J Behrensen |
| ½-½ | 37 | 1956 | Mar del Plata | D85 Grunfeld |
| 29. J Behrensen vs Najdorf |
| 0-1 | 40 | 1956 | Mar del Plata | A07 King's Indian Attack |
| 30. R Shocron vs J Behrensen |
| ½-½ | 58 | 1956 | Mar del Plata | A56 Benoni Defense |
| 31. J Behrensen vs A Olivera |
| ½-½ | 57 | 1956 | Mar del Plata | D05 Queen's Pawn Game |
| 32. H Rossetto vs J Behrensen |
| 0-1 | 35 | 1956 | Mar del Plata | D12 Queen's Gambit Declined Slav |
| 33. J Behrensen vs B Wexler |
| 0-1 | 34 | 1956 | Mar del Plata | A08 King's Indian Attack |
| 34. G Idigoras vs J Behrensen |
| ½-½ | 25 | 1956 | Mar del Plata | D19 Queen's Gambit Declined Slav, Dutch |
| 35. Panno vs J Behrensen |
| ½-½ | 42 | 1957 | Mar del Plata | D15 Queen's Gambit Declined Slav |
| 36. J Behrensen vs F Rubio Aguado |
| ½-½ | 35 | 1957 | Mar del Plata | A46 Queen's Pawn Game |
| 37. C Incutto vs J Behrensen |
| ½-½ | 27 | 1957 | Mar del Plata | E15 Queen's Indian |
| 38. J Behrensen vs Eliskases |
| ½-½ | 41 | 1957 | Mar del Plata | A15 English |
| 39. Najdorf vs J Behrensen |
| 1-0 | 43 | 1957 | Mar del Plata | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 40. Keres vs J Behrensen |
| 1-0 | 29 | 1957 | Mar del Plata | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 41. J Behrensen vs B Wexler |
| ½-½ | 48 | 1957 | Mar del Plata | A15 English |
| 42. A Esposito vs J Behrensen |
| 1-0 | 48 | 1957 | Mar del Plata | A13 English |
| 43. J Behrensen vs M Cuellar Gacharna |
| 1-0 | 47 | 1957 | Mar del Plata | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
| 44. Horacio Albert vs J Behrensen |
| 0-1 | 40 | 1957 | Mar del Plata | E49 Nimzo-Indian, 4.e3, Botvinnik System |
| 45. J Behrensen vs J Mangini |
| 0-1 | 59 | 1957 | Mar del Plata | A07 King's Indian Attack |
| 46. F Casas vs J Behrensen |
| 1-0 | 57 | 1957 | Mar del Plata | A38 English, Symmetrical |
| 47. J Behrensen vs W Ader Hausman |
| 0-1 | 32 | 1957 | Mar del Plata | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
| 48. R Sanguineti vs J Behrensen |
| ½-½ | 40 | 1957 | Mar del Plata | B62 Sicilian, Richter-Rauzer |
| 49. J Behrensen vs Lombardy |
| ½-½ | 40 | 1957 | Mar del Plata | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 50. Kotov vs J Behrensen |
| 1-0 | 41 | 1957 | Mar del Plata | A16 English |
Kibitzing
