Chess puzzle (Crushing)
Opening: Bird_Opening, Bird_Opening_Other_variations
Moves: 1. f4 c5 2. Nf3 Nf6 3. e3 Nc6 4. d4 cxd4 5. exd4 d5 6. c3 Bg4 7. Bd3 e6 8. O-O
Qb6 9. Nbd2 Bd6 10. h3 Bh5 11. g4 Bg6 12. Ne5 Bxd3 13. Nxd3 Nxd4 14. cxd4 Qxd4+
15. Nf2 Qxf4 16. Qa4+ *
Position (FEN): r3k2r/pp3ppp/3bpn2/3p4/Q4qP1/7P/PP1N1N2/R1B2RK1 b kq - 1 16
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1627
Best move: Qxa4