Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bg5 f6 3. Bf4 Nc6 4. Nf3 e6 5. e3 Nge7 6. Bb5 Bd7 7. c4 a6 8. Ba4
dxc4 9. O-O Ng6 10. Bg3 e5 11. Nc3 exd4 12. Bxc6 Bxc6 13. Nxd4 Qd7 14. Nxc6
Qxc6 15. Rc1 Be7 16. Qd5 Qxd5 17. Nxd5 Rc8 18. Nxe7 Nxe7 19. Rxc4 Nc6 20. Rfc1
O-O 21. h4 Rfd8 22. R1c2 Rd1+ 23. Kh2 Rd5 24. Ra4 Rh5 25. a3 Rd5 26. Kh3 Rd1
27. Rac4 h6 28. b4 g5 29. hxg5 hxg5 30. a4 Rh1+ 31. Kg4 Kf7 32. b5 axb5 33.
axb5 Ne7 34. Rxc7 f5+ 35. Kxg5 Rg8+ 36. Kf4 Ke6 37. Rxb7 Nd5+ 38. Kf3 f4 39.
Rc6+ Ke5 40. exf4+ Kd4 41. Rd7 Rd1 42. Rcd6 Rd3+ 43. Ke2 Re8+ 44. Kf1 *
Position (FEN): 4r3/3R4/3R4/1P1n4/3k1P2/3r2B1/5PP1/5K2 b - - 8 44
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 846
Best move: Rd1#