Sicilian Defense: Open, Najdorf Variation

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 Nbd7 7.Bc4 Qb6 8.Bb3 e6 9.Qd2 Be7 10.O-O-O Nc5