Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Be3 b6 5. a3 Bxc3+ 6. bxc3 dxe4 7. f3 Bb7 8.
Bb5+ Nd7 9. Qe2 Nf6 10. O-O-O a6 11. Bc4 Qe7 12. Kb2 c5 13. fxe4 Bxe4 14. Nf3
b5 15. Bd3 Bxd3 16. Qxd3 cxd4 17. Bxd4 Nc5 18. Qe3 Na4+ 19. Kb3 Qc7 20. Ne5 Nd5
21. Qg3 f6 22. Qg4 f5 23. Qh5+ g6 24. Nxg6 hxg6 25. Qxh8+ Kd7 26. Qxa8 *
Position (FEN): Q7/2qk4/p3p1p1/1p1n1p2/n2B4/PKP5/2P3PP/3R3R b - - 0 26
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1413
Best move: Qc4#