Chess puzzle (Checkmate)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. c4 g6 3. Nc3 Bg7 4. Nf3 Ne7 5. e4 b6 6. e5 Bb7 7. Be2 d6 8. exd6
Qxd6 9. Be3 O-O 10. O-O f5 11. Bg5 Nd7 12. Nb5 Qc6 13. Bxe7 Rfe8 14. Bg5 a6 15.
Nc3 h6 16. Be3 Nf6 17. Ne5 *
Position (FEN): r3r1k1/1bp3b1/ppq1pnpp/4Np2/2PP4/2N1B3/PP2BPPP/R2Q1RK1 b - - 3 17
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 804
Best move: Qxg2#