Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. O-O d6 6. Re1 Bg4 7. h3 Bh5 8. d3
Qd7 9. Be3 Bb6 10. Nd5 Nd4 11. Nxb6 Nxf3+ 12. Qxf3 axb6 13. g4 Nxg4 14. hxg4
Bxg4 15. Qg3 b5 16. Bxb5 c6 17. Bc4 b5 18. Bb3 h5 19. Qh4 f6 20. d4 g5 21. Qh2
Bf3 22. dxe5 dxe5 23. Bc5 h4 24. Re3 g4 25. Rxf3 gxf3 26. Kf1 O-O-O 27. a4 b4
28. Bxb4 Qd4 29. Qh3+ Kb7 30. Be7 Qd1+ 31. Rxd1 *
Position (FEN): 3r3r/1k2B3/2p2p2/4p3/P3P2p/1B3p1Q/1PP2P2/3R1K2 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 669
Best move: Rxd1#