Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. e3 d5 3. Bd3 c5 4. c3 Nc6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bf5 8. Nbd2
h6 9. Ne5 Bd6 10. f4 Bxe5 11. dxe5 Ne4 12. Nxe4 Bxe4 13. Bf3 Ne7 14. O-O Nf5
15. Bxe4 dxe4 16. Qc2 Qd5 17. Rd1 Qc6 18. g4 Nh4 19. Rd6 Nf3+ 20. Kf2 Qb5 21.
Qxe4 Nh4 22. c4 Qb4 23. a3 Qb3 24. Qd3 Qxd3 25. Rxd3 g5 26. Bd2 h5 27. Kg3 Ng6
28. Bc3 gxf4+ 29. exf4 hxg4 30. hxg4 Ne7 31. Rg1 Kf8 32. Rg2 Kg7 33. Rh2 Rhd8
34. Rhd2 Rh8 35. Rd7 Ng6 36. Rxb7 Rh7 37. Kf3 Rh3+ 38. Ke4 Rg3 39. g5 Rg4 40.
Rf2 Nh4 41. b4 cxb4 42. axb4 Rg3 43. Bd4 Nf5 44. c5 Rd8 45. Rf3 *
Position (FEN): 3r4/pR3pk1/4p3/2P1PnP1/1P1BKP2/5Rr1/8/8 b - - 2 45
Black to move.
Themes:  Endgame Hook Mate, Mate in 1 
Puzzle rating: 977
Best move: Rxd4#