Round 1 Tal vs Korchnoi, 1968  (E19) Queen's Indian, Old Main line, 9.Qxc3, 40 moves, 1/2-1/2 Round 2 Korchnoi vs Tal, 1968 (E06) Catalan, Closed, 5.Nf3, 28 moves, 1/2-1/2 Round 3 Tal vs Korchnoi, 1968  (E19) Queen's Indian, Old Main line, 9.Qxc3, 41 moves, 1/2-1/2 Round 4 Korchnoi vs Tal, 1968  (E53) Nimzo-Indian, 4.e3, 38 moves, 1-0 Round 5 Tal vs Korchnoi, 1968  (C98) Ruy Lopez, Closed, Chigorin, 36 moves, 0-1 Round 6 Korchnoi vs Tal, 1968  (A14) English, 42 moves, 0-1 Round 7 Tal vs Korchnoi, 1968  (B32) Sicilian, 41 moves, 1/2-1/2 Round 8 Korchnoi vs Tal, 1968  (D42) Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3, 41 moves, 1/2-1/2 Round 9 Tal vs Korchnoi, 1968 (C86) Ruy Lopez, Worrall Attack, 46 moves, 1/2-1/2 Round 10 Korchnoi vs Tal, 1968 (A40) Queen's Pawn Game, 61 moves, 1/2-1/2 10 games