Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 5. Re1 Be7 6. c3 O-O 7. d4 exd4 8.
cxd4 d5 9. e5 Nd7 10. Qd3 a6 11. Ba4 b5 12. Bc2 Nb4 *
Position (FEN): r1bq1rk1/2pnbppp/p7/1p1pP3/1n1P4/3Q1N2/PPB2PPP/RNB1R1K1 w - - 2 13
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 456
Best move: Qxh7#