The flick-knife attack
The flick-knife attack is a very rare, very 'sharp' variation of the modern benoni.
The moves are: 1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8. Bb5+! Nfd7
