Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 e6 3. Nf3 d5 4. exd5 exd5 5. Bb3 b5 6. c3 Be6 7. O-O c4 8. Bc2
g6 9. d4 Bg7 10. b3 Ne7 11. a4 Qd7 12. axb5 Qxb5 13. bxc4 Qxc4 14. Bd3 Qc8 15.
Bg5 Qc7 16. Qd2 O-O 17. Bh6 f6 18. Bxg7 Kxg7 19. h4 Bg4 20. Nh2 Bd7 21. h5 g5
22. f4 h6 23. fxg5 fxg5 24. Rxf8 Kxf8 25. Qf2+ Kg7 26. Qe3 Nbc6 27. Nf3 Nf5 28.
Bxf5 Bxf5 29. Ne5 Kf6 30. Nxc6 Qxc6 31. Nd2 Re8 32. Qf3 Qe6 33. g4 Qe3+ 34.
Qxe3 Rxe3 35. gxf5 Kxf5 36. c4 dxc4 37. Nxc4 Rd3 38. Ra5+ Kg4 39. d5 Kg3 40.
Ne5 *
Position (FEN): 8/p7/7p/R2PN1pP/8/3r2k1/8/6K1 b - - 2 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 661
Best move: Rd1#