Chess puzzle (Crushing)
Opening: Ruy_Lopez, Ruy_Lopez_Steinitz_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d3 Bd7 5. Bg5 f6 6. Be3 a6 7. Bc4 Nge7 8. a3
b5 9. Ba2 Ng6 10. Nc3 f5 11. exf5 Bxf5 12. h3 h6 13. Qd2 Qe7 14. Nd5 Qd8 15.
Qa5 *
Position (FEN): r2qkb1r/2p3p1/p1np2np/Qp1Npb2/8/P2PBN1P/BPP2PP1/R3K2R b KQkq - 5 15
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 842
Best move: Nxa5