| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. E Paoli vs M Czerniak |
| 0-1 | 52 |
1951 |
Reggio Emilia | B09 Pirc, Austrian Attack |
| 27. J De Moura vs A Matanovic |
| ½-½ | 35 |
1951 |
Bad Pyrmont zt | B09 Pirc, Austrian Attack |
| 28. Ed Lasker vs Najdorf |
 | 0-1 | 42 |
1952 |
Havana | B09 Pirc, Austrian Attack |
| 29. J Pogats vs D Szabo |
 | 1-0 | 9 |
1952 |
HUN-ch 08th | B09 Pirc, Austrian Attack |
| 30. Boleslavsky vs Pirc |
 | ½-½ | 62 |
1952 |
Helsinki ol (Men) fin-A | B09 Pirc, Austrian Attack |
| 31. M Aleman Dovo vs M Czerniak |
| ½-½ | 41 |
1952 |
Helsinki ol (Men) | B09 Pirc, Austrian Attack |
| 32. Puc vs A Matanovic |
| 1-0 | 32 |
1952 |
Belgrade | B09 Pirc, Austrian Attack |
| 33. D Horne vs A Matanovic |
 | 0-1 | 32 |
1953 |
Hastings | B09 Pirc, Austrian Attack |
| 34. S Szabo vs O Barda |
| 1-0 | 48 |
1953 |
Bucharest | B09 Pirc, Austrian Attack |
| 35. Ed Lasker vs Wade |
| ½-½ | 43 |
1953 |
Hastings 1952/53 | B09 Pirc, Austrian Attack |
| 36. J Penrose vs Tylor |
| ½-½ | 11 |
1953 |
Hastings 1952/53 | B09 Pirc, Austrian Attack |
| 37. K Darga vs J Jerolim |
| 1-0 | 35 |
1954 |
Amsterdam ol (Men) pre-IV | B09 Pirc, Austrian Attack |
| 38. P Papapavlou vs J Jerolim |
| 1-0 | 51 |
1954 |
Amsterdam ol (Men) | B09 Pirc, Austrian Attack |
| 39. E Joppen vs Wade |
 | ½-½ | 80 |
1954 |
Amsterdam ol (Men) | B09 Pirc, Austrian Attack |
| 40. J Penrose vs M Czerniak |
| ½-½ | 29 |
1956 |
Moscow ol (Men) fin-A | B09 Pirc, Austrian Attack |
| 41. J Balogh vs M Napolitano |
| ½-½ | 55 |
1956 |
2nd World Correspondence Chess Championship | B09 Pirc, Austrian Attack |
| 42. V Rozhdestvensky vs Gipslis |
| ½-½ | 53 |
1957 |
Ch URS (1/4 final) | B09 Pirc, Austrian Attack |
| 43. Vasiukov vs Bastrikov |
| 1-0 | 79 |
1957 |
URS-ch sf | B09 Pirc, Austrian Attack |
| 44. E Paoli vs F Norcia |
| 1-0 | 23 |
1957 |
ITA-ch | B09 Pirc, Austrian Attack |
| 45. E Paoli vs M Napolitano |
| 1-0 | 39 |
1957 |
ITA-ch | B09 Pirc, Austrian Attack |
| 46. Bronstein vs F Palmiotto |
 | 1-0 | 29 |
1958 |
Olympiad | B09 Pirc, Austrian Attack |
| 47. Krogius vs Polugaevsky |
| ½-½ | 19 |
1958 |
USSR Championship | B09 Pirc, Austrian Attack |
| 48. Kholmov vs Gipslis |
| 1-0 | 41 |
1958 |
URS-ch sf | B09 Pirc, Austrian Attack |
| 49. C B Van den Berg vs M Crues Albareda |
| ½-½ | 19 |
1958 |
Clare Benedict Cup 05th | B09 Pirc, Austrian Attack |
| 50. Spassky vs O Gadia |
| 1-0 | 44 |
1960 |
Mar del Plata | B09 Pirc, Austrian Attack |