Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. e5 d5 5. exd6 Bxd6 6. O-O Nf6 7. Re1 b6 8. c3
Bb7 9. d3 Qc7 10. h3 O-O-O 11. Qe2 h6 12. a4 g5 13. Na3 a6 14. d4 Nd5 15. Bxa6
f5 16. Bxb7+ Kxb7 17. Nb5 Qg7 18. Nxd6+ Rxd6 19. dxc5 Rd7 20. cxb6 g4 21. hxg4
fxg4 22. Nd4 g3 23. f3 Nxd4 24. cxd4 Qxd4+ 25. Be3 Qh4 26. Kf1 Nf4 27. Bxf4 *
Position (FEN): 7r/1k1r4/1P2p2p/8/P4B1q/5Pp1/1P2Q1P1/R3RK2 b - - 0 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 741
Best move: Qh1#