Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 O-O 8.
Rc1 c6 9. Be2 Bg4 10. O-O N8d7 11. h3 Bxf3 12. Bxf3 Nc4 13. Qb3 Nxe3 14. fxe3
Nb6 15. Rfd1 e6 16. e5 Qe7 17. Ne4 Rfd8 18. a4 Bh6 19. a5 Nd5 20. Re1 Nxe3 21.
Rxe3 Bxe3+ 22. Qxe3 Qb4 23. Nf6+ Kg7 24. Rd1 Qxb2 25. Ng4 h5 26. Qh6+ Kg8 *
Position (FEN): r2r2k1/pp3p2/2p1p1pQ/P3P2p/3P2N1/5B1P/1q4P1/3R2K1 w - - 2 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 859
Best move: Nf6#