Chess puzzle (Crushing)
Opening: Scotch_Game, Scotch_Game_Scotch_Gambit
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 h6 5. Nxd4 Nge7 6. Qf3 Ne5 7. Qc3 Nxc4 8.
Qxc4 b6 9. Bf4 d6 10. Nc6 Qd7 11. Nxe7 Bxe7 12. Nc3 Bb7 13. Nb5 O-O-O 14. Nxa7+
Kb8 15. Nb5 Ba6 16. a4 c6 17. Qxf7 cxb5 18. Qxg7 bxa4 19. Rxa4 *
Position (FEN): 1k1r3r/3qb1Q1/bp1p3p/8/R3PB2/8/1PP2PPP/4K2R b K - 0 19
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 772
Best move: Qxa4