Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. Nf3 dxc4 6. e3 c5 7. Qc2 cxd4 8.
Nxd4 O-O 9. O-O-O Qa5 10. h4 h6 11. Bxc4 hxg5 12. hxg5 Qxg5 13. f4 Qg3 14. Rh3
Qg6 15. Rdh1 Qxc2+ 16. Kxc2 g6 17. Ne4 Nxe4 18. g4 g5 19. Rh8+ Kg7 20. R1h7+
Kg6 21. f5+ exf5 22. gxf5+ Kf6 23. Rh6+ Ke5 24. Rxf8 Bxf8 25. Kd3 Bxf5 *
Position (FEN): rn3b2/pp3p2/7R/4kbp1/2BNn3/3KP3/PP6/8 w - - 0 26
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1510
Best move: Nf3#