Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. e4 c6 6. Nge2 e5 7. d3 d6 8. h3 Be6
9. O-O h6 10. f4 Kh7 11. f5 gxf5 12. exf5 Bd7 13. g4 Qe7 14. Ng3 Rg8 15. Be3 d5
16. cxd5 cxd5 17. Nxd5 Nxd5 18. Bxd5 Bc6 19. Be4 Qh4 20. Kg2 Bf6 21. Qb3 Rg7
22. Nh5 Qxh5 23. Bxc6 Nxc6 24. Qxb7 Rag8 25. Qxc6 Rxg4+ 26. hxg4 Qxg4+ 27. Kf2
*
Position (FEN): 6r1/p4p1k/2Q2b1p/4pP2/6q1/3PB3/PP3K2/R4R2 b - - 1 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1599
Best move: Bh4#