| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Averbakh vs Simagin |
| 0-1 | 25 |
1966 |
Moscow Training | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 27. Kholmov vs R Nicevski |
| 1-0 | 40 |
1967 |
Skopje | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 28. V Tukmakov vs A Hennings |
| 1-0 | 55 |
1967 |
WchT U26 14th | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 29. E Formanek vs Saidy |
| 0-1 | 41 |
1967 |
US Open | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 30. E Formanek vs Browne |
 | 1-0 | 37 |
1967 |
US Open | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 31. B Ivanovic vs R Nicevski |
| 0-1 | 48 |
1969 |
YUG-ch 24th | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 32. Matulovic vs Csom |
| 0-1 | 56 |
1972 |
Parcetic mem 5th | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 33. A Medina Garcia vs Ribli |
| 0-1 | 36 |
1972 |
Skopje (ol) | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 34. Tringov vs C Juliao |
| 1-0 | 24 |
1974 |
Nice ol (Men) prel | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 35. V Tukmakov vs Csom |
| ½-½ | 38 |
1974 |
IBM | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 36. R Byrne vs Csom |
| ½-½ | 14 |
1974 |
Nice ol (Men) fin-A | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 37. Browne vs B Wall |
  | 1-0 | 39 |
1975 |
Walter Browne Simul | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 38. Savon vs V Tukmakov |
| ½-½ | 37 |
1975 |
URS-ch FL43 | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 39. E Paoli vs B Toth |
 | 1-0 | 34 |
1975 |
Reggio Emilia 7576 | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 40. Tseshkovsky vs Dorfman |
| ½-½ | 24 |
1975 |
URS-ch FL43 | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 41. Vogt vs V Tukmakov |
| 0-1 | 45 |
1975 |
Leipzig DSV | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 42. Yanofsky vs Csom |
| 1-0 | 72 |
1975 |
Lone Pine | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 43. M Damjanovic vs Csom |
| 0-1 | 27 |
1975 |
Lone Pine | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 44. A Karklins vs M Damjanovic |
| 0-1 | 57 |
1975 |
Lone Pine | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 45. C W Pritchett vs Csom |
| 1-0 | 34 |
1975 |
Zonal | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 46. Chiburdanidze vs V Kozlovskaya |
| 1-0 | 40 |
1976 |
Tbilisi Interzonal (Women) | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 47. Matulovic vs I Radulov |
| 0-1 | 32 |
1976 |
Uljma | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 48. Tringov vs V Tukmakov |
| ½-½ | 41 |
1976 |
Odessa | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 49. Vasiukov vs Csom |
| 0-1 | 48 |
1976 |
Yerevan | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |
| 50. E Paoli vs J Bielczyk |
| ½-½ | 41 |
1976 |
Agard | B66 Sicilian, Richter-Rauzer Attack, 7...a6 |