Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d5 2. e3 Bf5 3. Bd3 Bxd3 4. Qxd3 Nf6 5. Qb5+ c6 6. Qxb7 Nbd7 7. Qxc6 e6
8. Nf3 Be7 9. Ne5 O-O 10. Nxd7 Nxd7 11. O-O Rc8 12. Qa4 Nb6 13. Qb3 Bd6 14. c3
Bb8 15. a4 Re8 16. Qc2 Nc4 17. b3 Qd6 18. bxc4 *
Position (FEN): 1br1r1k1/p4ppp/3qp3/3p4/P1PP4/2P1P3/2Q2PPP/RNB2RK1 b - - 0 18
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1157
Best move: Qxh2#