Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Bg5 h6 5. Bd2 d6 6. Nc3 Bf5 7. h3 c5 8. Qb3
Nc6 9. Qxb7 Nxd4 10. Nxd4 cxd4 11. Nb5 Be4 12. Qa6 O-O 13. Ba5 Qd7 14. Nxd4 Nh5
15. Bc3 Nf4 16. f3 Bb7 17. Qb5 Qc8 18. e3 Nh5 19. Bd3 Ng3 20. Rh2 Bf6 21. Kd2
Ba6 22. Qb3 Rb8 23. Nb5 Bg5 24. f4 Bh4 25. Qc2 Qb7 26. Bxg6 Bxb5 *
Position (FEN): 1r3rk1/pq2pp2/3p2Bp/1b6/2P2P1b/2B1P1nP/PPQK2PR/R7 w - - 0 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1067
Best move: Bh7#