Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Qxd4 Nc6 7. Qd3 Nf6
8. Bg5 e6 9. Nc3 Be7 10. O-O-O a6 11. Bxf6 gxf6 12. Nh4 Ne5 13. Qe2 Rc8 14. f4
Nc4 15. Rhe1 Qc6 16. Rd3 Rg8 17. Nd1 f5 18. g3 fxe4 19. Qxe4 Bxh4 20. gxh4 Rg4
21. Qxh7 Rg2 22. Rc3 Qd5 23. Rd3 Rxc2+ 24. Kxc2 Na3+ 25. Kd2 Rc2+ 26. Ke3 *
Position (FEN): 4k3/1p3p1Q/p2pp3/3q4/5P1P/n2RK3/PPr4P/3NR3 b - - 4 26
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1693
Best move: Nc4#