Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nf6 6. d3 Bd7 7. c4 b5 8. cxb5
axb5 9. Bxb5 Qb8 10. Bc4 Bg4 11. h3 Bxf3 12. Qxf3 Nd4 13. Qd1 Qb4 14. b3 c6 15.
Be3 d5 16. exd5 cxd5 17. Bxd4 exd4 18. Qe2+ Be7 19. a3 Qb6 20. Re1 Ra7 21. Bxd5
Nxd5 22. Qe5 Nc3 23. Qxg7 Rf8 24. Nxc3 dxc3 25. Qxc3 Rg8 26. Qc8+ Qd8 27. Qxd8+
Kxd8 28. a4 Bb4 29. Re4 Rb7 30. Rc1 Re8 31. Rd4+ Ke7 32. Rh4 Rd8 33. d4 Rbd7
34. Rc4 Ba5 35. b4 Bb6 36. a5 Bxd4 37. b5 Be5 38. a6 *
Position (FEN): 3r4/3rkp1p/P7/1P2b3/2R4R/7P/5PP1/6K1 b - - 0 38
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 619
Best move: Rd1#