Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Nd5 O-O 8.
Nxe7+ Qxe7 9. d3 Rfe8 10. Nd2 Rad8 11. Re1 d5 12. cxd5 Nxd5 13. Ne4 h6 14. Qb3
Nd4 15. Qa4 a5 16. e3 Bc6 17. Qd1 Ne6 18. Bd2 f5 19. Nc3 Nxc3 20. Bxc3 Bxg2 21.
Kxg2 Nc5 22. d4 Ne4 23. Qc2 exd4 24. exd4 Qd6 25. Rad1 Nxc3 26. Rxe8+ Rxe8 27.
bxc3 f4 28. c4 fxg3 29. hxg3 Rf8 30. c5 Qd5+ 31. Kg1 Qf3 32. Qb3+ Qxb3 33. axb3
Rf3 34. cxb6 cxb6 35. d5 Kf7 36. d6 Ke8 37. d7+ Kd8 38. Rb1 Kxd7 39. Kg2 Rd3
40. Kh3 b5 41. Kg4 g6 42. f4 h5+ 43. Kh4 Ke6 44. Re1+ Kf6 45. Rb1 Rd2 46. Kh3
Rd3 47. Rb2 Kf5 48. Kh4 Rd1 49. Kh3 Rh1+ 50. Kg2 Rd1 51. Rc2 Rd3 52. Rc5+ Kg4 *
Position (FEN): 8/8/6p1/ppR4p/5Pk1/1P1r2P1/6K1/8 w - - 20 53
White to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 574
Best move: Rg5#