Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Barmen_Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Bg5 c6 6. c5 Qa5 7. Bd2 Qc7 8. e3
b6 9. b4 a5 10. a3 Ba6 11. Bxa6 Rxa6 12. O-O Be7 13. Ne1 axb4 14. axb4 Rxa1 15.
Qxa1 O-O 16. Nd3 Ng4 17. Qb2 *
Position (FEN): 5rk1/2qnbppp/1pp1p3/2Pp4/1P1P2n1/2NNP3/1Q1B1PPP/5RK1 b - - 4 17
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 882
Best move: Qxh2#