Game 1 Spassky vs Portisch, 1977  (E12) Queen's Indian, 21 moves, 1/2-1/2 Game 2 Portisch vs Spassky, 1977  (D34) Queen's Gambit Declined, Tarrasch, 20 moves, 1/2-1/2 Game 3 Spassky vs Portisch, 1977  (C95) Ruy Lopez, Closed, Breyer, 67 moves, 0-1 Game 4 Portisch vs Spassky, 1977  (E59) Nimzo-Indian, 4.e3, Main line, 36 moves, 1/2-1/2 Game 5 Spassky vs Portisch, 1977  (E12) Queen's Indian, 61 moves, 1-0 Game 6 Portisch vs Spassky, 1977  (A57) Benko Gambit, 47 moves, 1/2-1/2 Game 7 Spassky vs Portisch, 1977  (A46) Queen's Pawn Game, 18 moves, 1/2-1/2 Game 8 Portisch vs Spassky, 1977  (D25) Queen's Gambit Accepted, 39 moves, 1-0 Game 9 Spassky vs Portisch, 1977  (C95) Ruy Lopez, Closed, Breyer, 40 moves, 1-0 Game 10 Portisch vs Spassky, 1977  (E59) Nimzo-Indian, 4.e3, Main line, 26 moves, 1/2-1/2 Game 12 Portisch vs Spassky, 1977  (A17) English, 75 moves, 1/2-1/2 Game 13 Spassky vs Portisch, 1977  (B25) Sicilian, Closed, 40 moves, 1-0 Game 14 Portisch vs Spassky, 1977  (E53) Nimzo-Indian, 4.e3, 53 moves, 0-1 Game 15 Spassky vs Portisch, 1977  (C92) Ruy Lopez, Closed, 30 moves, 1/2-1/2 14 games