Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O b5 10. Bd3 Bb7 11. g4 Nbd7 12. Rhe1 Nc5 13. Bxf6 gxf6 14. Kb1 b4
15. Nce2 Rc8 16. Qe3 a5 17. f5 e5 18. Nb5 Qb6 19. c3 h5 20. h3 hxg4 21. hxg4
Ra8 22. Rh1 Rxh1 23. Rxh1 Qc6 24. Rh7 Nxe4 25. Na7 Qd5 26. Bb5+ Kd8 *
Position (FEN): r2k4/Nb2bp1R/3p1p2/pB1qpP2/1p2n1P1/2P1Q3/PP2N3/1K6 w - - 4 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1569
Best move: Qb6#