Chess puzzle (Checkmate)
Opening: Benko_Gambit_Declined, Benko_Gambit_Declined_Main_Line
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 bxc4 5. g3 Bb7 6. Nc3 d6 7. Bg2 e6 8. e4
exd5 9. exd5 Be7 10. Qa4+ Nbd7 11. O-O O-O 12. Qxc4 Nb6 13. Qd3 Nfxd5 14. Nxd5
Nxd5 15. Ng5 Nb4 *
Position (FEN): r2q1rk1/pb2bppp/3p4/2p3N1/1n6/3Q2P1/PP3PBP/R1B2RK1 w - - 2 16
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 776
Best move: Qxh7#