Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Nc3 Bb4 3. e3 Bxc3+ 4. bxc3 h6 5. a4 Nf6 6. Ba3 Ne4 7. Ne2 Nxc3 8.
Nxc3 Nc6 9. Bb5 Ne7 10. Bd3 b6 11. Bxe7 Qxe7 12. Ne2 Qb4+ 13. c3 Qd6 14. O-O
Bb7 15. Qc2 O-O-O 16. Be4 Bxe4 17. Qxe4 g5 18. a5 f5 19. Qc2 Kb8 20. axb6 cxb6
21. c4 h5 22. Qa4 Qc7 23. g3 h4 24. Nc3 hxg3 25. hxg3 f4 26. Nb5 Qb7 27. Nd6 *
Position (FEN): 1k1r3r/pq1p4/1p1Np3/6p1/Q1PP1p2/4P1P1/5P2/R4RK1 b - - 3 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 867
Best move: Rh1#