Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Bf4 e6 5. e3 c6 6. cxd5 Nxd5 7. Nf3 Nxc3 8.
bxc3 Bd6 9. Bxd6 Qxd6 10. Bd3 Bg6 11. O-O Nd7 12. Qc2 Nf6 13. Ne5 Nd7 14. Nxg6
hxg6 15. e4 *
Position (FEN): r3k2r/pp1n1pp1/2pqp1p1/8/3PP3/2PB4/P1Q2PPP/R4RK1 b kq - 0 15
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 745
Best move: Qxh2#