Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. c3 Nf6 7. Nd2 O-O 8.
Bc4 e6 9. O-O d5 10. Bd3 e5 11. Nxc6 bxc6 12. exd5 cxd5 13. Nb3 Bg4 14. Qd2 a5
15. h3 Bc8 16. Rad1 a4 17. Nc1 a3 18. b3 e4 19. Be2 Qa5 20. Bg5 Bb7 21. Qf4 Nd7
22. c4 Be5 23. Qh4 d4 24. f4 Bg7 25. f5 gxf5 26. b4 Qxb4 27. Rxf5 d3 28. Bxd3
exd3 29. Rxd3 Qxc4 30. Rxd7 Qe4 31. Qxe4 Bxe4 32. Rf1 Bb1 33. Nb3 Bxa2 34. Nc5
Bc4 35. Ne4 Be6 36. Rc7 a2 37. Nf6+ Bxf6 38. Bxf6 a1=Q 39. Rxa1 Rxa1+ 40. Kh2
Ra6 41. Rc3 Bd5 *
Position (FEN): 5rk1/5p1p/r4B2/3b4/8/2R4P/6PK/8 w - - 4 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 782
Best move: Rg3#