Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Bb4 5. a3 Bxc3+ 6. bxc3 O-O 7. Qc2 dxc4 8.
e4 b5 9. e5 Nd5 10. Ng5 g6 11. Ne4 Nd7 12. Bh6 Re8 13. Qe2 f6 14. exf6 N7xf6
15. Qf3 Nxe4 16. Qxe4 Nxc3 17. Qxa8 Qf6 18. Qc6 Rd8 19. Be3 Nd5 20. Qxb5 e5 21.
Bxc4 Be6 22. Rd1 Nc3 23. Bxe6+ Qxe6 24. d5 c6 25. dxe6 *
Position (FEN): 3r2k1/p6p/2p1P1p1/1Q2p3/8/P1n1B3/5PPP/3RK2R b K - 0 25
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 450
Best move: Rxd1#