Chess puzzle (Checkmate)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. c4 c5 3. e3 cxd4 4. exd4 a6 5. Nc3 Be7 6. Nf3 h6 7. Be2 b6 8. O-O
g5 9. Ne5 d6 10. Nd3 h5 11. Bxh5 Nf6 12. Bf3 Ra7 13. Bxg5 Nbd7 14. Bc6 Qc7 15.
d5 Kf8 16. Bxd7 Bxd7 17. dxe6 fxe6 18. Qf3 d5 19. Bxf6 *
Position (FEN): 5k1r/r1qbb3/pp2pB2/3p4/2P5/2NN1Q2/PP3PPP/R4RK1 b - - 0 19
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1267
Best move: Qxh2#