Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Symmetrical_Variation
Moves: 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. e3 Be7 5. Nc3 O-O 6. Qb3 Nc6 7. Bd3 Na5 8. Qa4
c5 9. cxd5 exd5 10. Bd2 c4 11. Bb1 Bd7 12. Qc2 b5 13. Nxd5 Nxd5 *
Position (FEN): r2q1rk1/p2bbppp/8/np1n4/2pP4/4PN2/PPQB1PPP/RB2K2R w KQ - 0 14
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 487
Best move: Qxh7#