Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. f4 Nxe4 4. Bd3 Bf5 5. Nf3 Nd7 6. O-O g6 7. Nh4 Bg7 8.
Nxf5 gxf5 9. Be3 c5 10. c3 Qb6 11. Qe2 cxd4 12. cxd4 Bxd4 13. Bxd4 Qxd4+ 14.
Kh1 Ndc5 15. Bb5+ Kf8 16. Nc3 a6 17. Nxe4 Nxe4 18. Bd3 Rc8 19. Rad1 Rg8 20.
Bxa6 Qb6 21. Bd3 d5 22. b3 Nc3 23. Qh5 Nxd1 24. Rxd1 Qf2 25. Rg1 Rxg2 26. Rxg2
Rc1+ 27. Rg1 *
Position (FEN): 5k2/1p2pp1p/8/3p1p1Q/5P2/1P1B4/P4q1P/2r3RK b - - 2 27
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 842
Best move: Rxg1#