Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 a6 7. O-O Be7 8. Nc3
b5 9. Bd3 O-O 10. Re1 Qc7 11. Nce2 Bb7 12. Ng3 h6 13. Bf4 e5 14. Ndf5 *
Position (FEN): rn3rk1/1bq1bpp1/p2p1n1p/1p2pN2/4PB2/3B2N1/PPP2PPP/R2QR1K1 b - - 1 14
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1433
Best move: exf4