Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nh3 Nf6 8. Nf4
Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. h5 Be7 12. Be3 Qa5+ 13. c3 Nbd7 14. O-O O-O 15.
b4 Qc7 16. a4 Rfd8 17. Qc2 Rac8 18. a5 e5 19. dxe5 Nxe5 20. Nf5 Bf8 21. a6 b6
22. Bd4 c5 23. bxc5 Bxc5 24. Rac1 Bxd4 25. Nxd4 Rxd4 26. cxd4 Qxc2 27. Rxc2
Rxc2 28. dxe5 Ng4 29. e6 fxe6 30. Nxe6 Ra2 31. Nc7 Nf6 32. Rd1 Nxh5 33. Rd8+
Kf7 34. Ra8 Nf6 35. Rxa7 Ng4 36. Na8+ Ke6 37. Nxb6 *
Position (FEN): 8/R5p1/PN2k2p/8/6n1/8/r4PP1/6K1 b - - 0 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 698
Best move: Ra1#