Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Nf6 7. Bg5 Be7 8.
O-O-O h6 9. Bh4 c5 10. Qd3 a6 11. f4 b5 12. e5 dxe5 13. Qxd8+ Bxd8 14. fxe5 g5
15. Bf2 Ng4 16. Bxc5 Nxe5 17. Bd3 Nxd3+ 18. Rxd3 Bc7 19. Re1+ Be6 20. Nd5 Bf4+
21. Kb1 O-O-O 22. Nxf4 Rxd3 23. Nxd3 Re8 24. Ka1 Rd8 25. b4 Bc4 26. Ne5 Rd2 27.
Nxc4 bxc4 28. Re8+ Kb7 29. Re7+ Kc6 30. Rxf7 Rxg2 31. Rf6+ Kb5 32. a4+ Kxa4 33.
Rxa6+ Kb5 34. Rxh6 Rxc2 35. h4 g4 36. Rg6 Rg2 37. h5 Ka4 38. h6 Kb3 39. h7 Rd2
40. Rd6 Rh2 41. Rd7 Rh1+ 42. Rd1 *
Position (FEN): 8/7P/8/2B5/1Pp3p1/1k6/8/K2R3r b - - 6 42
Black to move.
Themes: Hanging Piece Endgame Mate in 1 
Puzzle rating: 498
Best move: Rxd1#