Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3 Qxd4 6. Be3 Qe5 7. O-O-O c6
8. h3 h6 9. Bf4 Qf5 10. Bd3 Qe6 11. Qg3 Nbd7 12. Re1 Nh5 13. Qh4 g5 14. Qxh5
Qxe1+ 15. Nd1 gxf4 16. Bc4 Ne5 17. Nf3 Qxh1 18. Nxe5 Be6 19. Bxe6 Rh7 20. Bxf7+
Kd8 21. Bg6 Rg7 22. Nf7+ Kc7 23. Qe5+ Kb6 24. Qd4+ Kc7 25. Qe5+ Kb6 26. b4 Rxg6
*
Position (FEN): r4b2/pp2pN2/1kp3rp/4Q3/1P3p2/7P/P1P3P1/2KN3q w - - 0 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1563
Best move: Qa5#