Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Colle_System
Moves: 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bb4+ 5. c3 Bd6 6. Nbd2 O-O 7. Qe2 h6 8. e4
dxe4 9. Nxe4 Be7 10. Nxf6+ Bxf6 11. Qe4 Nc6 *
Position (FEN): r1bq1rk1/ppp2pp1/2n1pb1p/8/3PQ3/2PB1N2/PP3PPP/R1B1K2R w KQ - 2 12
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 423
Best move: Qh7#