Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Schmidt_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 Be7 7. Bc4 O-O
8. O-O d6 9. Re1 Ng4 10. Be2 Ne5 11. Bf4 Ng6 12. g3 Bg5 13. Bxg5 Qxg5 14. f4
Nxf4 15. Kh1 Ng6 16. Rf1 Bh3 17. Rf3 Nh4 18. gxh4 *
Position (FEN): r4rk1/p1p2ppp/2pp4/6q1/4P2P/2N2R1b/PPP1B2P/R2Q3K b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 802
Best move: Qg2#