| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Gligoric vs A Planinc |
| 1-0 | 52 | 1969 | Vidmar Memorial | A79 Benoni, Classical, 11.f3 |
| 27. T Bjerre vs S Malmgren |
| 1-0 | 47 | 1969 | World Student Team Championship qual-2 | A79 Benoni, Classical, 11.f3 |
| 28. Mecking vs J Gutierrez |
| ½-½ | 38 | 1970 | El Tiempo-Ecopetrol | A79 Benoni, Classical, 11.f3 |
| 29. W Balcerowski vs A Filipowicz |
| 0-1 | 48 | 1970 | Polish Championship | A79 Benoni, Classical, 11.f3 |
| 30. A Balemans vs E J Holt |
| 0-1 | 45 | 1970 | Glorney Cup | A79 Benoni, Classical, 11.f3 |
| 31. D J James vs E J Holt |
| 1-0 | 44 | 1970 | Glorney Cup | A79 Benoni, Classical, 11.f3 |
| 32. W Balcerowski vs Adorjan |
| 0-1 | 63 | 1970 | Rubinstein Memorial | A79 Benoni, Classical, 11.f3 |
| 33. J Durao vs C Pritchett |
| 0-1 | 33 | 1970 | Siegen Olympiad qual-5 | A79 Benoni, Classical, 11.f3 |
| 34. Najdorf vs D Levy |
| 1-0 | 26 | 1970 | Siegen Olympiad qual-5 | A79 Benoni, Classical, 11.f3 |
| 35. Z Vranesic vs E Ungureanu |
| 1-0 | 42 | 1970 | Siegen Olympiad Final-A | A79 Benoni, Classical, 11.f3 |
| 36. W Heinig vs R Postler |
| ½-½ | 39 | 1971 | East German Championship | A79 Benoni, Classical, 11.f3 |
| 37. W Balcerowski vs A Filipowicz |
| ½-½ | 24 | 1971 | Polish Championship | A79 Benoni, Classical, 11.f3 |
| 38. B Enklaar vs D Minic |
| ½-½ | 46 | 1971 | Amsterdam IBM-B | A79 Benoni, Classical, 11.f3 |
| 39. S Hamann vs S Fedder |
| 1-0 | 52 | 1972 | Danish Championship | A79 Benoni, Classical, 11.f3 |
| 40. Gligoric vs D Minic |
| 1-0 | 33 | 1972 | Yugoslav First League | A79 Benoni, Classical, 11.f3 |
| 41. H Camara vs Quinteros |
| 0-1 | 52 | 1972 | Sao Paulo Zonal | A79 Benoni, Classical, 11.f3 |
| 42. Z Vranesic vs L Day |
| 1-0 | 62 | 1972 | Canadian Championship | A79 Benoni, Classical, 11.f3 |
| 43. A Berrios Pagan vs D Hamilton |
| ½-½ | 38 | 1972 | Skopje Olympiad Final-C | A79 Benoni, Classical, 11.f3 |
| 44. S Holm vs A Filipowicz |
| 0-1 | 41 | 1972 | Skopje Olympiad Final-A | A79 Benoni, Classical, 11.f3 |
| 45. H Konarkowska-Sokolov vs V Shikova |
| 1-0 | 36 | 1972 | Pernik Zonal (Women) | A79 Benoni, Classical, 11.f3 |
| 46. D J James vs A P Shepstone |
| ½-½ | 40 | 1972 | Islington Open | A79 Benoni, Classical, 11.f3 |
| 47. P Hesse vs T Espig |
| 1-0 | 36 | 1973 | East German Championship | A79 Benoni, Classical, 11.f3 |
| 48. Evans vs G F Kane |
| 1-0 | 40 | 1973 | US Championship | A79 Benoni, Classical, 11.f3 |
| 49. S Macdonald-Ross vs J L Watson |
| 0-1 | 28 | 1973 | GRE Islington Open | A79 Benoni, Classical, 11.f3 |
| 50. L Ogaard vs S Bouaziz |
| ½-½ | 32 | 1974 | Nice Olympiad Final-B | A79 Benoni, Classical, 11.f3 |
Kibitzing
