Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8.
Bb5+ Bd7 9. Bxd7+ Nxd7 10. O-O O-O 11. Re1 Qa5 12. Bd2 Rad8 13. Qb3 Qa6 14. d5
c4 15. Qb4 e6 16. dxe6 Qxe6 17. Qxb7 Ne5 18. Nd4 Qg4 19. Kf1 Nd3 20. Re2 Rxd4
21. cxd4 Bxd4 22. Rb1 Qh4 23. Qc7 Bxf2 24. Qxc4 Qxh2 25. Qxd3 *
Position (FEN): 5rk1/p4p1p/6p1/8/4P3/3Q4/P2BRbPq/1R3K2 b - - 0 25
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 865
Best move: Qg1#