why a draw? Kasparov vs Anand, 2000  (E20) Nimzo-Indian, 56 moves, 1/2-1/2 notice rook and bishop attack lanes Karpov vs Kasparov, 1985  (B44) Sicilian, 40 moves, 0-1 Kasparov vs Topalov, 1999  (B06) Robatsch, 44 moves, 1-0