Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Exchange_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Be7 7. Nf3 O-O 8.
Bd3 c6 9. Qe2 b6 10. O-O Bb7 11. e5 Nd7 12. Qe4 Rb8 *
Position (FEN): 1r1q1rk1/pb1nbppp/1pp1p3/4P3/3PQ3/2PB1N2/P4PPP/R1B2RK1 w - - 3 13
White to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 525
Best move: Qxh7#