Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 O-O 7. cxd5 Nxd5
8. Bd3 b6 9. Bb1 Bb7 10. Qc2 Nf6 11. O-O Re8 12. g4 g6 13. h4 Qd5 14. Ne5 *
Position (FEN): rn2r1k1/pbp2p1p/1p2pnp1/3qN3/3P2PP/4P3/PPQN1P2/RB3RK1 b - - 2 14
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 675
Best move: Qh1#