Chess puzzle (Crushing)
Opening: Bird_Opening, Bird_Opening_Other_variations
Moves: 1. f4 Nc6 2. Nf3 Nf6 3. e3 d5 4. Be2 Bf5 5. Nc3 Nb4 6. d3 Qd7 7. a3 Nc6 8. O-O
O-O-O 9. b4 e5 10. b5 Nb8 11. fxe5 Nh5 12. e6 Bxe6 13. Ne5 Qd6 14. d4 f6 15.
Nd3 g6 16. e4 dxe4 17. Nxe4 *
Position (FEN): 1nkr1b1r/ppp4p/3qbpp1/1P5n/3PN3/P2N4/2P1B1PP/R1BQ1RK1 b - - 0 17
Black to move.
Themes:  Opening  
Puzzle rating: 1071
Best move: Qxd4+