Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_London_System
Moves: 1. d4 e6 2. Nf3 d5 3. Bf4 c5 4. e3 Nf6 5. c3 Nc6 6. Nbd2 cxd4 7. exd4 Bd6 8.
Bg3 O-O 9. Bd3 Bxg3 10. hxg3 Qb6 11. Bxh7+ Nxh7 12. Qc2 Qd8 *
Position (FEN): r1bq1rk1/pp3ppn/2n1p3/3p4/3P4/2P2NP1/PPQN1PP1/R3K2R w KQ - 2 13
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1121
Best move: Qxh7#