Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Be7 5. Nbd2 O-O 6. c3 h6 7. Bd3 c5 8. O-O
c4 9. Bb1 Nc6 10. Ne5 b5 11. Qc2 Nxe5 12. dxe5 Nd7 *
Position (FEN): r1bq1rk1/p2nbpp1/4p2p/1p1pP3/2p2B2/2P1P3/PPQN1PPP/RB3RK1 w - - 1 13
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 421
Best move: Qh7#