Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. g3 e5 7. Nde2 Be7 8. Bg2
O-O 9. O-O b5 10. Nd5 Nxd5 11. Qxd5 Qc7 12. Qxa8 Nc6 13. Nc3 Bb7 14. Nd5 Qd7
15. Bh3 Qxh3 16. Qxb7 Nd4 17. Nxe7+ Kh8 18. f3 Ne2+ 19. Kf2 Qxh2+ 20. Ke3 Nd4
21. Rf2 Qg1 22. Bd2 Nxc2+ 23. Kd3 Nxa1 24. Be3 Qd1+ 25. Rd2 Qf1+ 26. Kc3 *
Position (FEN): 5r1k/1Q2Nppp/p2p4/1p2p3/4P3/2K1BPP1/PP1R4/n4q2 b - - 5 26
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1522
Best move: Qc4#