Chess puzzle (Checkmate)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. c4 c6 3. a3 d5 4. e3 Nf6 5. Nf3 Bd6 6. Nc3 Nbd7 7. Be2 O-O 8. Rb1
Re8 9. O-O e5 10. cxd5 cxd5 11. Bb5 exd4 12. Nxd4 a5 13. a4 b6 14. Qb3 Bxh2+
15. Kxh2 Ng4+ 16. Kg1 Qh4 17. f3 *
Position (FEN): r1b1r1k1/3n1ppp/1p6/pB1p4/P2N2nq/1QN1PP2/1P4P1/1RB2RK1 b - - 0 17
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1005
Best move: Qh2#