Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 e6 3. c3 Nc6 4. g3 Bd6 5. Bg2 Nge7 6. O-O Ng6 7. Nfd2 O-O 8.
Re1 Re8 9. e4 dxe4 10. Nxe4 e5 11. Nxd6 Qxd6 12. Bxc6 bxc6 13. dxe5 Qxd1 14.
Rxd1 Rxe5 15. Rd8+ Nf8 16. Bf4 Re7 17. Na3 Bb7 18. Rad1 Rxd8 19. Rxd8 f6 20.
Nc4 Kf7 21. Na5 Ne6 22. Nxb7 Nxd8 23. Nxd8+ Ke8 24. Nxc6 Re2 25. Nxa7 Kd7 26.
Nb5 Rxb2 27. a4 Ra2 28. Nxc7 g5 29. Nd5 gxf4 30. Nxf6+ Ke7 31. Nxh7 f3 32. Ng5
*
Position (FEN): 8/4k3/8/6N1/P7/2P2pP1/r4P1P/6K1 b - - 1 32
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 654
Best move: Ra1#