Benoni Defense: Modern, Pawn Storm, Taimanov Variation

1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Nfd7 9.a4 O-O 10.Nf3 Na6 11.O-O