Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Nbd2 cxd4 7. exd4 Nh5 8.
Bg3 Nxg3 9. hxg3 Bd6 10. Bd3 h6 11. Qe2 Qc7 12. g4 Bd7 13. g5 O-O-O 14. gxh6
Rxh6 15. Rxh6 gxh6 16. O-O-O f6 17. Nf1 e5 18. Bb5 e4 19. Nh4 a6 20. Bxc6 Bxc6
21. Ne3 Ba4 22. Rh1 Bf4 23. Nf5 Bb5 24. Qg4 Kb8 25. Nxh6 Bd3 26. Nf5 Bg5 27.
Qg3 Bf4 28. Qg7 Qa5 29. Rh7 Bc7 30. a3 Bb5 31. Ne7 Rd7 32. Qxf6 Qb6 33. Qxb6
Bxb6 34. Rh8+ Ka7 35. N7xd5 Bd3 36. Nxb6 Kxb6 37. Rh6+ Ka7 38. Nf5 Rf7 39. Ng3
Rxf2 40. Rh1 Rc2+ 41. Kd1 Rxg2 42. Nxe4 Bxe4 43. Re1 Bc2+ 44. Kc1 Bb3 45. Kb1
Bc2+ 46. Ka1 Bd3 47. Rc1 Kb6 48. Rd1 Kb5 49. Rxd3 Kc4 50. Rd1 Kb3 51. Rb1 Rc2
52. d5 b5 53. d6 Rd2 54. Rd1 *
Position (FEN): 8/8/p2P4/1p6/8/PkP5/1P1r4/K2R4 b - - 2 54
Black to move.
Themes: Hanging Piece Endgame, Rook Endgame Mate in 1 
Puzzle rating: 641
Best move: Rxd1#