Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Chigorin_Defense
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 Nc6 4. Nf3 e6 5. Bg5 Be7 6. Bxe7 Ngxe7 7. e4 O-O 8.
Bxc4 a6 9. a3 b5 10. Bb3 Bb7 11. O-O Qd7 12. Bc2 Rad8 13. Ne2 Na5 14. Qd3 Nc4
15. e5 Bxf3 *
Position (FEN): 3r1rk1/2pqnppp/p3p3/1p2P3/2nP4/P2Q1b2/1PB1NPPP/R4RK1 w - - 0 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 752
Best move: Qxh7#