Round 1 Larsen vs Ivkov, 1965  (A07) King's Indian Attack, 60 moves, 1-0 Round 2 Ivkov vs Larsen, 1965 (E16) Queen's Indian, 31 moves, 1/2-1/2 Round 3 Larsen vs Ivkov, 1965 (A04) Reti Opening, 73 moves, 1/2-1/2 Round 4 Ivkov vs Larsen, 1965 (D47) Queen's Gambit Declined Semi-Slav, 31 moves, 0-1 Round 5 Larsen vs Ivkov, 1965  (A25) English, 66 moves, 1-0 Round 6 Ivkov vs Larsen, 1965  (D47) Queen's Gambit Declined Semi-Slav, 40 moves, 1/2-1/2 Round 7 Larsen vs Ivkov, 1965  (A00) Uncommon Opening, 50 moves, 0-1 Round 8 Ivkov vs Larsen, 1965  (B04) Alekhine's Defense, Modern, 27 moves, 0-1