Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. d4 g5 5. Bc4 Be7 6. O-O d6 7. d5 Ne5 8. Nxe5
dxe5 9. Qh5 Qd6 10. Nc3 Bd7 11. Bb3 Bf6 12. g3 h6 13. gxf4 gxf4 14. Bd2 Bg7 15.
Rae1 Nf6 16. Qh4 O-O-O 17. a4 Rhg8 18. Nb5 Qb6+ 19. Kh1 a6 20. Nc3 Ng4 21. Rf3
Bf6 22. Qh5 Nf2+ 23. Rxf2 Qxf2 24. Qe2 Qh4 25. d6 cxd6 26. Bxf7 Rg7 27. Bh5 Bc6
28. Nd5 Bxd5 29. exd5 Kb8 30. Bf3 Rdg8 31. Bb4 Be7 32. c4 Qh3 33. Bc3 Bh4 34.
Rf1 Rg3 35. c5 Be7 36. c6 Bd8 37. cxb7 Bb6 38. Bxe5 Qxf1+ 39. Qxf1 Rg1+ 40.
Qxg1 *
Position (FEN): 1k4r1/1P6/pb1p3p/3PB3/P4p2/5B2/1P5P/6QK b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 718
Best move: Rxg1#