| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. J Kupper vs G Iskov |
| ½-½ | 25 | 1976 | European Team Championship qual-2 | C78 Ruy Lopez |
| 52. G Iskov vs Adorjan |
| 0-1 | 40 | 1976 | European Team Championship qual-2 | B08 Pirc, Classical |
| 53. M Pavlov vs G Iskov |
| 1-0 | 70 | 1976 | European Team Championship qual-2 | B93 Sicilian, Najdorf, 6.f4 |
| 54. J Flesch vs G Iskov |
| ½-½ | 19 | 1976 | Dortmund | A05 Reti Opening |
| 55. G Iskov vs D Tomic |
| 1-0 | 25 | 1976 | Dortmund | B10 Caro-Kann |
| 56. R Balinas vs G Iskov |
| ½-½ | 55 | 1976 | Dortmund | C60 Ruy Lopez |
| 57. G Iskov vs R Faase |
| 0-1 | 59 | 1976 | Dortmund | C64 Ruy Lopez, Classical |
| 58. W Nicolai vs G Iskov |
| ½-½ | 40 | 1976 | Dortmund | A31 English, Symmetrical, Benoni Formation |
| 59. G Iskov vs H W Ackermann |
| ½-½ | 48 | 1976 | Dortmund | A22 English |
| 60. A Sydor vs G Iskov |
| ½-½ | 19 | 1976 | Dortmund | E43 Nimzo-Indian, Fischer Variation |
| 61. Miles vs G Iskov |
| 1-0 | 30 | 1976 | Dortmund | E31 Nimzo-Indian, Leningrad, Main line |
| 62. G Iskov vs Romanishin |
| 0-1 | 37 | 1976 | Dortmund | A29 English, Four Knights, Kingside Fianchetto |
| 63. G Iskov vs D Ciric |
| ½-½ | 12 | 1976 | Dortmund | A07 King's Indian Attack |
| 64. M Krause vs G Iskov |
| 0-1 | 31 | 1976 | Dortmund | A21 English |
| 65. G Iskov vs R Weyerstrass |
| 1-0 | 33 | 1977 | Dutch Open | C09 French, Tarrasch, Open Variation, Main line |
| 66. H T Tan vs G Iskov |
| 0-1 | 43 | 1977 | Dutch Open | B21 Sicilian, 2.f4 and 2.d4 |
| 67. G Iskov vs C Sep |
| 1-0 | 26 | 1977 | Dutch Open | B40 Sicilian |
| 68. H Sorensen vs G Iskov |
| 1-0 | 56 | 1977 | Dutch Open | B94 Sicilian, Najdorf |
| 69. F Borm vs G Iskov |
| 1-0 | 95 | 1977 | Dutch Open | B92 Sicilian, Najdorf, Opocensky Variation |
| 70. G Iskov vs A van Diermen |
| 1-0 | 31 | 1977 | Dutch Open | A58 Benko Gambit |
| 71. G Iskov vs A A Schuering |
| ½-½ | 35 | 1977 | Dutch Open | C07 French, Tarrasch |
| 72. G Iskov vs E Diderholm |
| 1-0 | 32 | 1978 | Rilton Cup 1978/79 | B82 Sicilian, Scheveningen |
| 73. R Akesson vs G Iskov |
| 1-0 | 20 | 1978 | Rilton Cup 1978/79 | D45 Queen's Gambit Declined Semi-Slav |
| 74. G Iskov vs B Toth |
| ½-½ | 52 | 1978 | Middlesborough | C33 King's Gambit Accepted |
| 75. H Angantysson vs G Iskov |
| ½-½ | 25 | 1978 | Rilton Cup 1978/79 | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
Kibitzing
