Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 dxc4 3. e3 Qd6 4. Nc3 a6 5. Bxc4 Qb4 6. Qb3 Qxb3 7. Bxb3 Nc6 8.
Nge2 e6 9. O-O Nf6 10. e4 Bb4 11. e5 Bxc3 12. bxc3 Ne4 13. f3 Nxc3 14. Nxc3
Nxd4 15. Be3 Nxb3 16. axb3 O-O 17. Rfd1 b6 18. Ne4 h6 19. Rac1 c5 20. Rd6 Rb8
21. Ra1 a5 22. Rad1 Ba6 23. Nxc5 bxc5 24. Rxa6 Rxb3 25. Bxc5 Rc8 26. Rxa5 Rc3
27. Bd6 Rd8 28. Rb5 Kh7 29. Rb8 Rd7 30. Rdb1 Ra7 31. Kf1 Ra2 32. R8b2 Ra6 33.
Rb7 Kg6 34. f4 f5 35. Ke2 Ra2+ 36. Kf1 Rcc2 37. Bb4 Rf2+ 38. Ke1 Rxg2 39. Re7 *
Position (FEN): 8/4R1p1/4p1kp/4Pp2/1B3P2/8/r5rP/1R2K3 b - - 1 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1360
Best move: Rg1#