Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. Bc4 a6 4. O-O b5 5. Be2 d5 6. d3 d4 7. c3 Bb7 8. cxd4
cxd4 9. a4 bxa4 10. Qxa4+ Bc6 11. Qxd4 Qxd4 12. Nxd4 Bb7 13. Nf3 Nf6 14. Nc3
Bc5 15. d4 Bb6 16. Bf4 O-O 17. Rfc1 Rd8 18. Be3 a5 19. Rcb1 Nxe4 20. Nxe4 Bxe4
21. b4 Bxb1 22. Rxb1 axb4 23. Rxb4 Ra1+ 24. Bf1 Ba5 25. Rb2 Nc6 26. h3 h6 27.
Bd2 Nxd4 28. Nxd4 Rxd4 29. Bxa5 Rxa5 30. Kh2 Rd1 31. Be2 Re1 32. Bd3 f5 33. Be2
Re5 34. Bh5 f4 35. Bg6 Kf8 36. Rb8+ Ke7 37. Re8+ Kf6 38. Bh5 Kg5 39. Bf3 Kh4
40. Rd8 g5 41. Rg8 Rc5 42. g4 fxg3+ *
Position (FEN): 6R1/8/4p2p/2r3p1/7k/5BpP/5P1K/4r3 w - - 0 43
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 838
Best move: fxg3#