Round 1 R Byrne vs Spassky, 1974  (B81) Sicilian, Scheveningen, Keres Attack, 44 moves, 1/2-1/2 Round 2 Spassky vs R Byrne, 1974  (B92) Sicilian, Najdorf, Opocensky Variation, 72 moves, 1/2-1/2 Round 3 R Byrne vs Spassky, 1974  (C95) Ruy Lopez, Closed, Breyer, 56 moves, 0-1 Round 4 Spassky vs R Byrne, 1974  (B93) Sicilian, Najdorf, 6.f4, 29 moves, 1-0 Round 5 R Byrne vs Spassky, 1974 (B81) Sicilian, Scheveningen, Keres Attack, 35 moves, 1/2-1/2 Round 6 Spassky vs R Byrne, 1974  (B52) Sicilian, Canal-Sokolsky (Rossolimo) Attack, 59 moves, 1-0 6 games