Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 c6 3. Nc3 Nf6 4. Nf3 Bg4 5. h3 Bxf3 6. exf3 Nbd7 7. Bd3 e6 8.
Qe2 Be7 9. O-O-O Qa5 10. a3 Bxa3 11. bxa3 Qxc3 12. a4 b5 13. axb5 cxb5 14. Bxb5
Rc8 15. Qd3 Qa1+ 16. Kd2 Qa5+ 17. Ke2 Rc4 18. Bxc4 dxc4 19. Qxc4 O-O 20. Rhe1
Nd5 21. Bd2 Qd8 22. Kf1 N7b6 23. Qa2 Qc7 24. Ba5 Qh2 25. Bxb6 Nf4 26. Re4 *
Position (FEN): 5rk1/p4ppp/1B2p3/8/3PRn2/5P1P/Q1P2PPq/3R1K2 b - - 2 26
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1711
Best move: Qh1#