Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Krause_Variation
Moves: 1. d4 d5 2. Nf3 c5 3. Bf4 Nc6 4. e3 Nf6 5. Nbd2 e6 6. c3 Be7 7. Bd3 O-O 8. e4
c4 9. Bc2 b5 10. exd5 Nxd5 11. Bg3 a5 12. Qe2 b4 13. Qe4 bxc3 *
Position (FEN): r1bq1rk1/4bppp/2n1p3/p2n4/2pPQ3/2p2NB1/PPBN1PPP/R3K2R w KQ - 0 14
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 807
Best move: Qxh7#