Sicilian Defense: Open, Löwenthal, Kalashnikov Variation

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5 5.Nb5 d6 6.N1c3 a6 7.Na3 b5 8.Nd5 Nce7 9.c4 Nxd5 10.exd5 bxc4 11.Nxc4 Nf6 12.Be3 Rb8