Chess puzzle (Checkmate)
Moves: 1. e4 Nf6 2. e5 Nd5 3. Bc4 e6 4. d4 b5 5. Bxb5 c5 6. Nf3 Qa5+ 7. Bd2 Qxb5 8. b3
Nc6 9. c4 Qb7 10. cxd5 Nxd4 11. dxe6 dxe6 12. O-O Nxf3+ 13. Qxf3 Qxf3 14. gxf3
Bb7 15. Kg2 h5 16. Be3 h4 17. Nd2 Rh5 18. Nc4 h3+ 19. Kg3 f5 20. exf6 gxf6 21.
Rad1 Rf5 22. f4 Bd5 23. Kxh3 O-O-O 24. Nb2 Be7 25. Nd3 Rg8 26. Kh4 Bf3 27. Rg1
*
Position (FEN): 2k3r1/p3b3/4pp2/2p2r2/5P1K/1P1NBb2/P4P1P/3R2R1 b - - 8 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1277
Best move: Rh5#