| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. R Sallay vs Portisch |
| 0-1 | 42 | 1958 | 14th Hungarian Championship | E28 Nimzo-Indian, Samisch Variation |
| 27. M Damjanovic vs J Sofrevski |
| 1-0 | 42 | 1960 | Yugoslav Championship | E28 Nimzo-Indian, Samisch Variation |
| 28. L Brewster vs A Bisguier |
 | 0-1 | 17 | 1960 | 61st US Open | E28 Nimzo-Indian, Samisch Variation |
| 29. R Toran vs A Bisguier |
| ½-½ | 29 | 1960 | Leipzig Olympiad qual-4 | E28 Nimzo-Indian, Samisch Variation |
| 30. F J Perez vs Portisch |
| 0-1 | 28 | 1961 | 1st Costa del Sol | E28 Nimzo-Indian, Samisch Variation |
| 31. R Sallay vs J Pogats |
| 0-1 | 17 | 1961 | Hungarian Championship | E28 Nimzo-Indian, Samisch Variation |
| 32. T Ghitescu vs Bobotsov |
| 1-0 | 29 | 1961 | Marianske Lazne Zonal | E28 Nimzo-Indian, Samisch Variation |
| 33. F J Perez vs F Gragger |
| 1-0 | 29 | 1961 | Marianske Lazne Zonal | E28 Nimzo-Indian, Samisch Variation |
| 34. T Ghitescu vs F Gragger |
| 0-1 | 37 | 1961 | Marianske Lazne Zonal | E28 Nimzo-Indian, Samisch Variation |
| 35. S Farias vs F Alves |
| 0-1 | 42 | 1961 | Brazilian Championship | E28 Nimzo-Indian, Samisch Variation |
| 36. I Akakinci vs R Fuchs |
| 0-1 | 51 | 1962 | Varna Olympiad qual-1 | E28 Nimzo-Indian, Samisch Variation |
| 37. A Rutman vs V Byvshev |
| ½-½ | 30 | 1963 | Leningrad Team Championship | E28 Nimzo-Indian, Samisch Variation |
| 38. R Toran vs O'Kelly |
| ½-½ | 23 | 1964 | 4th Costa del Sol | E28 Nimzo-Indian, Samisch Variation |
| 39. S Moshe vs E Carmel |
| 0-1 | 24 | 1965 | Israeli Championship | E28 Nimzo-Indian, Samisch Variation |
| 40. S Witkowski vs W Schmidt |
| 0-1 | 23 | 1967 | Rubinstein Memorial | E28 Nimzo-Indian, Samisch Variation |
| 41. N Skalkotas vs H MacGrillen |
| 0-1 | 26 | 1968 | WchT U26 15th fin-B | E28 Nimzo-Indian, Samisch Variation |
| 42. S Sursock vs J Cordovil |
| 0-1 | 56 | 1970 | Siegen Olympiad Final-D | E28 Nimzo-Indian, Samisch Variation |
| 43. F P Parente vs F Frota |
| 1-0 | 21 | 1972 | BRA zn | E28 Nimzo-Indian, Samisch Variation |
| 44. V Nevole vs K Lehmann |
| 1-0 | 45 | 1972 | Leipzig SGL Open | E28 Nimzo-Indian, Samisch Variation |
| 45. V Pafnutieff vs B Harper |
| 0-1 | 38 | 1975 | Vancouver Open | E28 Nimzo-Indian, Samisch Variation |
| 46. J Bonilla vs F Bonapart |
| 0-1 | 41 | 1975 | World Junior Championship | E28 Nimzo-Indian, Samisch Variation |
| 47. K Franke vs Keene |
| 0-1 | 36 | 1976 | Hanover | E28 Nimzo-Indian, Samisch Variation |
| 48. C Niklasson vs A Martorelli |
| ½-½ | 63 | 1978 | Reggio Emilia 1977/78 | E28 Nimzo-Indian, Samisch Variation |
| 49. C Niklasson vs B Jansson |
| 1-0 | 27 | 1978 | Swedish Championship | E28 Nimzo-Indian, Samisch Variation |
| 50. C Niklasson vs L Karlsson |
| 0-1 | 38 | 1978 | Swedish Championship | E28 Nimzo-Indian, Samisch Variation |
Kibitzing
