Chess puzzle (Checkmate)
Moves: 1. b4 a5 2. b5 b6 3. Nf3 Bb7 4. g3 d5 5. Bg2 e6 6. O-O Bd6 7. Nd4 Ne7 8. a4 e5
9. Nb3 e4 10. d3 Nd7 11. dxe4 dxe4 12. Nc3 Nc5 13. Nxc5 Bxc5 14. Qxd8+ Rxd8 15.
Bxe4 Bxe4 16. Nxe4 Bd4 17. Rb1 f5 18. Ng5 O-O 19. Ne6 Ng6 20. Nxf8 Kxf8 21.
Ba3+ Kf7 22. Rfd1 f4 23. c3 fxg3 24. Rxd4 gxh2+ 25. Kxh2 Re8 26. e3 Re5 27.
Rd7+ Ke6 28. Rxg7 Rh5+ 29. Kg3 Ne5 30. Rxc7 Rg5+ 31. Kh4 Rg2 32. Rb2 Nf3+ 33.
Kh3 Rg6 34. Rxh7 Ng1+ 35. Kh4 Nf3+ 36. Kh5 Rg2 37. Rh6+ Kf5 38. e4+ Kxe4 39.
Rb1 *
Position (FEN): 8/8/1p5R/pP5K/P3k3/B1P2n2/5Pr1/1R6 b - - 1 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1453
Best move: Rg5#