Macheide's Chess Labyrinth
Najdorf Variation, Sicilian Defense
1 e4 c5 2 Nf3 d6 3 d4 cd 4 Nd4 Nf6 5 Nc3
a6
6 Bg5
6 f4
6 Be2
6 g3
6 Bc4
6 Be3
6 h3