Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 O-O 5. e5 Ne8 6. Bg5 d6 7. Bc4 dxe5 8.
dxe5 Qxd1+ 9. Rxd1 Nc6 10. Nd5 e6 11. Ne7+ Nxe7 12. Bxe7 a6 13. Bxf8 Bxf8 14.
O-O Be7 15. Rd2 b5 16. Be2 Bb7 17. Rfd1 Bc6 18. Nd4 Bd5 19. b3 c5 20. Nf3 c4
21. Rxd5 exd5 22. Rxd5 cxb3 23. cxb3 Rc8 24. h3 Rc7 25. Nd4 Ng7 26. Bf3 Ne6 27.
Bg4 Nxd4 28. Rxd4 Rc2 29. Rd7 Bc5 30. e6 f5 31. Bf3 Rxf2 32. Kh2 Kf8 33. Bd5
Be7 34. a4 bxa4 35. bxa4 Rd2 36. Bc6 Ra2 37. Ra7 Bd6+ 38. Kh1 *
Position (FEN): 5k2/R6p/p1BbP1p1/5p2/P7/7P/r5P1/7K b - - 6 38
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 521
Best move: Ra1#