Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. c4 e5 7. Be2 Bc5 8.
O-O h6 9. Bd2 Nf6 10. Qc2 d6 11. b4 Bd4 12. Bc3 Bg4 13. Bxg4 Nxg4 14. Bxd4 exd4
15. Qd1 Ne5 16. Qxd4 O-O 17. Nc3 f5 18. Rad1 f4 19. Qxd6 Qg5 20. Qe6+ Kh8 21.
f3 Rae8 22. Qd6 Nxc4 23. Qxc6 Ne3 24. Rd2 Rd8 25. Rff2 Qe5 26. Rxd8 Rxd8 27. h3
Qd4 28. Qc5 Qd3 29. b5 Rd4 30. Nd5 Nxd5 31. exd5 Rxd5 32. Qxa7 Qxb5 33. h4 Rd1+
34. Kh2 Qb1 35. Qa8+ Kh7 36. Qe4+ Qxe4 37. fxe4 g5 38. hxg5 hxg5 39. Kh3 Kg6
40. Kg4 Re1 41. a4 Rxe4 42. Ra2 Re3 43. Rf2 *
Position (FEN): 8/8/6k1/6p1/P4pK1/4r3/5RP1/8 b - - 3 43
Black to move.
Themes:  Endgame, Rook Endgame Mate in 1 
Puzzle rating: 966
Best move: Rg3#