Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 4. Bc4 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 g5 8. Bg3
Be6 9. Bxe6 fxe6 10. a3 a6 11. b4 Ba7 12. b5 Nd4 13. bxa6 bxa6 14. a4 O-O 15.
h4 g4 16. Nxd4 exd4 17. Ne2 h5 18. Nf4 Qd7 19. a5 Kg7 20. Nxh5+ Nxh5 21. Qxg4+
Kf7 22. Qxh5+ Ke7 23. O-O Rg8 24. Rab1 Raf8 25. Qh7+ Kd8 26. Qxd7+ Kxd7 27. Rb7
Bc5 28. e5 dxe5 29. Bxe5 Bd6 30. Bxd6 Kxd6 31. Rc1 Rf4 32. g3 Rxh4 33. Kg2 Rh5
34. Ra1 Rgh8 35. Ra7 Rh2+ 36. Kf3 Rf8+ 37. Kg4 Rfxf2 38. Rxa6+ Kd7 39. Rc1 Rhg2
40. c4 e5 41. c5 Rd2 42. c6+ Kd6 43. Ra8 Rxd3 44. Rd8+ Ke6 45. Re8+ Kd6 46.
Rd8+ Ke7 47. Rd7+ Ke6 48. Rxc7 Rgxg3+ 49. Kh5 Rh3+ 50. Kg6 *
Position (FEN): 8/2R5/2P1k1K1/P3p3/3p4/3r3r/8/2R5 b - - 3 50
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 1167
Best move: Rdg3#