Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. c4 d5 3. Nf3 dxc4 4. e4 a6 5. Bxc4 b5 6. Bd3 c5 7. dxc5 Bxc5 8. O-O
Nf6 9. Qe2 O-O 10. Bg5 Be7 11. Nc3 h6 12. Bh4 Qb6 13. e5 Nd5 14. Nxd5 exd5 15.
Bxe7 Re8 16. Bd6 Be6 17. Qe3 Qd8 18. Qd2 Nd7 19. Rac1 Nb6 20. b3 Nd7 21. Rfe1
Nb6 22. Qa5 Nd7 23. Qxd8 Raxd8 24. Nd4 Nb6 25. Nxe6 fxe6 26. Rc6 Nd7 27. Bg6
Nxe5 28. Bxe8 Nxc6 29. Rxe6 Nd4 30. Rg6 Nf5 31. Bxb5 axb5 32. Bb4 d4 33. Rb6 d3
34. Rxb5 d2 35. Bxd2 Rxd2 36. g4 Nh4 37. a4 *
Position (FEN): 6k1/6p1/7p/1R6/P5Pn/1P6/3r1P1P/6K1 b - - 0 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1478
Best move: Rd1#