Chess puzzle (Checkmate)
Moves: 1. c4 g6 2. Nc3 Bg7 3. b3 d6 4. Bb2 e5 5. g3 Nc6 6. Bg2 Nf6 7. e3 O-O 8. Nge2
Be6 9. O-O d5 10. cxd5 Nxd5 11. Rc1 Nxc3 12. Nxc3 Qd7 13. Ne4 Rad8 14. Ba3 Rfe8
15. Nc5 Qc8 16. Nxe6 Qxe6 17. Qc2 e4 18. Rfd1 Rd3 19. Bf1 Rd5 20. d4 exd3 21.
Bxd3 Ne5 22. Be4 Rxd1+ 23. Rxd1 c6 24. Kg2 Ng4 25. h3 Nf6 26. Bf3 h5 27. Rd6
Qe5 28. Rd1 Qe6 29. Bb2 Nh7 30. Bc1 Ng5 31. g4 Nxf3 32. Kxf3 hxg4+ 33. hxg4 b5
34. Qc5 a5 35. Rd6 Qe4+ 36. Ke2 Qxg4+ 37. Kd3 Qd1+ 38. Bd2 Bf8 39. Qxc6 Re5 40.
Rd8 Kg7 41. Qc8 Rc5 42. Qd7 Qf1+ 43. Kd4 Qxf2 44. Bxa5 Qf6+ 45. Kd3 Qf1+ 46.
Kd4 Qd1+ 47. Ke4 Qb1+ 48. Qd3 Qh1+ 49. Kd4 Qa1+ 50. Bc3 Qh1 51. Rxf8 *
Position (FEN): 5R2/5pk1/6p1/1pr5/3K4/1PBQP3/P7/7q b - - 0 51
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1140
Best move: Rd5#