Chess puzzle (Crushing)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. Nf3 a6 3. Bf4 b5 4. e3 d6 5. Bd3 Nf6 6. Nbd2 Bb7 7. Qe2 Be7 8. c3
Nbd7 9. e4 c5 10. e5 dxe5 11. dxe5 Nd5 12. Be4 *
Position (FEN): r2qk2r/1b1nbppp/p3p3/1ppnP3/4BB2/2P2N2/PP1NQPPP/R3K2R b KQkq - 2 12
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 905
Best move: Nxf4