Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Three_Knights
Moves: 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 dxc4 5. e4 b6 6. Bxc4 Bb7 7. Bd3 Nbd7 8.
O-O h5 9. h3 c6 10. e5 Ng4 11. hxg4 hxg4 12. Nh2 Qh4 13. Nxg4 *
Position (FEN): r3kb1r/pb1n1pp1/1pp1p3/4P3/3P2Nq/2NB4/PP3PP1/R1BQ1RK1 b kq - 0 13
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 837
Best move: Qh1#