Round 1 Portisch vs Tal, 1965  (A38) English, Symmetrical, 83 moves, 1/2-1/2 Round 2 Tal vs Portisch, 1965  (B10) Caro-Kann, 27 moves, 1-0 Round 3 Portisch vs Tal, 1965  (E52) Nimzo-Indian, 4.e3, Main line with ...b6, 44 moves, 1-0 Round 4 Tal vs Portisch, 1965  (C11) French, 32 moves, 1-0 Round 5 Portisch vs Tal, 1965  (E56) Nimzo-Indian, 4.e3, Main line with 7...Nc6, 56 moves, 1/2-1/2 Round 6 Tal vs Portisch, 1965 (B11) Caro-Kann, Two Knights, 3...Bg4, 40 moves, 1/2-1/2 Round 7 Portisch vs Tal, 1965  (E50) Nimzo-Indian, 4.e3 O-O 5.Nf3, without ...d5, 41 moves, 0-1 Round 8 Tal vs Portisch, 1965  (C92) Ruy Lopez, Closed, 47 moves, 1-0 8 games