Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qg4 Bxg5 8. hxg5
g6 9. f4 c5 10. dxc5 Nc6 11. Nf3 Nxc5 12. Rh6 Qb6 13. O-O-O d4 14. Nb1 Nb4 15.
a3 Na2+ 16. Kd2 Qxb2 17. Qh3 Nc3 18. Nxc3 Qxc3+ 19. Ke2 Qxc2+ 20. Rd2 d3+ 21.
Ke3 Qc1 22. g4 Bd7 23. Rxh7 O-O-O 24. Rxh8 Bc6 25. Rxd8+ Kxd8 26. Nd4 Qe1+ 27.
Be2 *
Position (FEN): 3k4/1p3p2/p1b1p1p1/2n1P1P1/3N1PP1/P2pK2Q/3RB3/4q3 b - - 3 27
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1529
Best move: Qg1#