Karpov vs Seirawan, 1992  (B06) Robatsch, 82 moves, 0-1 I Blek vs Tal, 1952  (B07) Pirc, 46 moves, 0-1 Unzicker vs Botvinnik, 1962  (B08) Pirc, Classical, 40 moves, 0-1 3 games