Chess puzzle (Checkmate)
Opening: Semi-Slav_Defense, Semi-Slav_Defense_Main_Line
Moves: 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Bd6 6. Be2 O-O 7. O-O Nbd7 8. Qc2
dxc4 9. Bxc4 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. e4 Ng4 13. h3 Qh4 14. Qd3 Be6
15. f4 Rad8 16. Qe2 Bd4+ 17. Kh1 Qg3 18. hxg4 *
Position (FEN): 3r1rk1/pp3ppp/2p1b3/8/2BbPPP1/2N3q1/PP2Q1P1/R1B2R1K b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1426
Best move: Qh4#