Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be2 Be7 8. O-O
O-O 9. Be3 Qc7 10. f4 Nc6 11. Kh1 Bd7 12. Nb3 Rfe8 13. a5 Rac8 14. g4 d5 15. e5
Ne4 16. Nxe4 dxe4 17. c3 Qb8 18. Nc5 Rcd8 19. Nxd7 Qc8 20. Nb6 Rxd1 21. Nxc8
Rxf1+ 22. Bxf1 Rxc8 23. Bg2 Bd8 24. b4 Ne7 25. Bd4 Nd5 26. Bxe4 Rc7 27. f5 Nxc3
28. Bxc3 Rxc3 29. Bxb7 Rc4 30. b5 Bc7 31. Bxa6 Bxe5 32. Rd1 g5 33. Bb7 Ra4 34.
a6 Bc7 35. f6 h5 36. Rd7 Bb6 37. Rd6 Bc5 38. Rc6 Bd4 39. b6 hxg4 40. a7 Ra1+
41. Kg2 *
Position (FEN): 6k1/PB3p2/1PR1pP2/6p1/3b2p1/8/6KP/r7 b - - 2 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1155
Best move: Rg1#