Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Be7 6. Be3 O-O 7. O-O Bg4 8.
h3 Bxf3 9. Qxf3 Nbd7 10. c3 c6 11. Nd2 Qb6 12. b4 Rfe8 13. Bg5 h6 14. Bxf6 Nxf6
15. Qf5 a5 16. bxa5 Rxa5 17. Rab1 Qa7 18. Rb2 Rxa2 19. Rxa2 Qxa2 20. Nf3 Bd6
21. Ne5 Qd2 22. Rb1 Qxc3 23. Rxb7 Qxd4 24. Nxf7 Re1+ 25. Bf1 Rxf1+ 26. Kxf1 *
Position (FEN): 6k1/1R3Np1/2pb1n1p/3p1Q2/3q4/7P/5PP1/5K2 b - - 0 26
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 531
Best move: Qd1#