As Black
Modern Benoni
An unbalanced structure: White has a central majority and Black a queenside one. The g7 bishop and ...b5 give lots of counterplay.
Lines
Against 5.Nxd5
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.Nxd5 Nxd5 6.Qxd5 Nc6
Taimanov Attack
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+ Nfd7
Fianchetto Variation
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.Nf3 g6 7.g3 Bg7 8.Bg2 O-O 9.O-O Re8
Classical line
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.Be2 O-O 9.O-O Re8
Against h3 and Bd3
1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.Nf3 Bg7 8.h3 O-O 9.Bd3 b5