Chess puzzle (Checkmate)
Moves: 1. Nf3 d6 2. c4 e5 3. Nc3 Bf5 4. e3 Nc6 5. Be2 Nb4 6. e4 Bg4 7. h3 Bxf3 8. Bxf3
Nf6 9. d3 Nd7 10. O-O Nc5 11. a3 Nbxd3 12. b4 Nxc1 13. bxc5 dxc5 14. Qxd8+ Rxd8
15. Raxc1 Rd2 16. Nb5 Bd6 17. Nxa7 Ra2 18. Rc3 O-O 19. Rd1 Ra8 20. Nb5 Be7 21.
Rd5 c6 22. Rd7 cxb5 23. Rxe7 b4 24. axb4 cxb4 25. Rb3 f6 26. Rxb7 Ra1+ 27. Kh2
h6 28. Bh5 R1a2 29. Bf7+ Kh7 30. f3 Rf2 31. R7xb4 Raa2 32. Rb1 Rxg2+ 33. Kh1
Rh2+ 34. Kg1 Rag2+ 35. Kf1 Rf2+ 36. Ke1 Re2+ 37. Kd1 Rd2+ 38. Kc1 Rdg2 39. R4b2
*
Position (FEN): 8/5Bpk/5p1p/4p3/2P1P3/5P1P/1R4rr/1RK5 b - - 13 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 754
Best move: Rg1#