Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Bc5 7. Be3 Nxd4 8.
Bxd4 Bxd4 9. Qxd4 Nf6 10. e5 Ng8 11. Ne4 Ne7 12. Nd6+ Kf8 13. O-O-O Qa5 14. Kb1
Nc6 15. Qf4 Nd8 16. Rd3 b5 17. Nxf7 Nxf7 18. Rf3 Ke8 19. Qxf7+ Kd8 20. Qxg7 Re8
21. Qxh7 Bb7 22. Qh4+ Kc8 23. Rc3+ Bc6 24. Bf3 b4 25. Bxc6 bxc3 26. Bxa8 Qb6
27. b3 Qc5 28. Qc4 Qxc4 29. bxc4 Kc7 30. Be4 Rf8 31. Rf1 a5 32. f4 a4 33. a3
Rb8+ 34. Kc1 Rh8 35. h3 Kb6 36. Rf3 Rf8 37. g4 Kc5 38. Bd3 Kd4 39. Kd1 Rb8 40.
Kc1 Rb2 41. g5 Ra2 42. g6 *
Position (FEN): 8/3p4/4p1P1/4P3/p1Pk1P2/P1pB1R1P/r1P5/2K5 b - - 0 42
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 534
Best move: Ra1#