Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Colle_System
Moves: 1. d4 d5 2. Nf3 e6 3. e3 Nf6 4. Bd3 Be7 5. c3 O-O 6. O-O Nc6 7. Qe2 a6 8. Nbd2
b5 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bd7 *
Position (FEN): r2q1rk1/2pbbppp/p1n1p3/1p6/3PQ3/2PB1N2/PP3PPP/R1B2RK1 w - - 1 12
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 523
Best move: Qxh7#