Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 f6 3. Nf3 exf4 4. d4 Nc6 5. c4 Bd6 6. Bd3 b6 7. O-O Bb7 8. d5
Ne5 9. Nxe5 fxe5 10. Nc3 Qf6 11. Nb5 a6 12. Nxd6+ cxd6 13. Qb3 b5 14. cxb5 axb5
15. Qxb5 Ba6 16. Qb3 Bxd3 17. Qxd3 Ne7 18. Bd2 Ng6 19. Bc3 Ke7 20. Rf3 Nh4 21.
Rf2 g5 22. Raf1 Rhc8 23. g3 Ng6 24. gxf4 gxf4 25. Kh1 Rg8 26. a3 h5 27. Qh3 h4
28. Rf3 Rg7 29. R1f2 Rag8 30. a4 Nf8 31. Rf1 Qg6 32. a5 Qg1+ 33. Rxg1 *
Position (FEN): 5nr1/3pk1r1/3p4/P2Pp3/4Pp1p/2B2R1Q/1P5P/6RK b - - 0 33
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 638
Best move: Rxg1#