The Keres Attack

1. e4 c5. 2. Nf3 d6. 3 d4 cd. 4 Nxd4 Nf6. 5. Nc3 e6. 6. g4

Black usually replies with one of the following;

A. 6...d5   B. 6...e5   C.  6...h6   D. 6...a6   E. 6...Nc6   F. 6...Be7