As Black
Benko Gambit
Black gives a pawn to open the a- and b-files: the rooks and the g7 bishop press on the queenside for the whole game.
Lines
Gambit accepted: main line
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.e4 Bxf1 8.Kxf1 g6 9.g3 Bg7 10.Kg2 O-O
Against 4.Nf3
1.d4 Nf6 2.c4 c5 3.d5 b5 4.Nf3 g6 5.cxb5 a6
Against 5.e3
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.e3 g6 6.Nc3 Bg7 7.a4 O-O
Against 5.f3
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.f3 e6 6.e4 exd5 7.e5 Qe7
Against 5.b6
1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.b6 Qxb6 6.Nc3 d6 7.e4 g6