Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 a6 5. Bxc6 dxc6 6. d4 exd4 7. cxd4 Bb6 8.
O-O Nf6 9. Nc3 O-O 10. b3 Bg4 11. Be3 Bxf3 12. gxf3 Nh5 13. Kh1 Qh4 14. Rg1
Rfd8 15. Qd2 Rd7 16. Na4 Ba7 17. Rg4 Qf6 18. e5 Qxf3+ 19. Rg2 Rad8 20. Rg1 Bxd4
21. Bxd4 Rxd4 22. Qh6 Rd1 23. Nc3 Rxg1+ 24. Kxg1 Rd1+ 25. Nxd1 *
Position (FEN): 6k1/1pp2ppp/p1p4Q/4P2n/8/1P3q2/P4PRP/3N2K1 b - - 0 25
Black to move.
Themes:  Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 748
Best move: Qxd1#