Chess puzzle (Crushing)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. Nf3 Bb4 5. O-O Na5 6. Bb3 Bxc3 7. dxc3 Nxb3
8. axb3 d6 9. Bg5 h6 10. Be3 Nxe4 11. Qd3 Bf5 12. Qc4 O-O 13. Rxa7 d5 14. Qa4
b6 15. Nxe5 Re8 16. Nc6 Rxa7 17. Qxa7 Qd7 18. Nd4 c5 19. Nxf5 *
Position (FEN): 4r1k1/Q2q1pp1/1p5p/2pp1N2/4n3/1PP1B3/1PP2PPP/5RK1 b - - 0 19
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1511
Best move: Qxa7