Chess puzzle (Checkmate)
Moves: 1. d4 d6 2. c4 f6 3. Nf3 g6 4. Nc3 Bg7 5. e4 e5 6. Bd3 Ne7 7. O-O Bg4 8. d5 Nd7
9. h3 Bxf3 10. Qxf3 O-O 11. Bd2 f5 12. b4 a5 13. a3 fxe4 14. Qxe4 Nf6 15. Qh4
axb4 16. axb4 Rxa1 17. Rxa1 e4 18. Bf1 Nf5 19. Qf4 Bh6 20. Qxh6 Nxh6 21. Bxh6
Re8 22. Be3 Nd7 23. c5 Qf6 24. Rc1 Ne5 25. Nb5 Re7 26. cxd6 cxd6 27. Rc8+ Kf7
28. h4 Ng4 29. Bd4 Qxh4 *
Position (FEN): 2R5/1p2rk1p/3p2p1/1N1P4/1P1Bp1nq/8/5PP1/5BK1 w - - 0 30
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 927
Best move: Nxd6#