Chess puzzle (Checkmate)
Moves: 1. d3 c6 2. e4 d5 3. e5 g6 4. d4 Bg7 5. Bg5 Nh6 6. c3 f6 7. exf6 exf6 8. Bf4
Nf7 9. Be2 O-O 10. Nf3 Bf5 11. O-O Re8 12. Nbd2 Nd7 13. Re1 Nf8 14. Qb3 Qd7 15.
Nf1 Re7 16. h3 Rae8 17. Ne3 Bxh3 18. gxh3 Qxh3 19. c4 dxc4 20. Qxc4 Ne6 21. Bg3
h5 22. Bf1 Nd6 23. Bxh3 Nxc4 24. Nxc4 f5 25. Nfe5 Kh7 26. Bh4 g5 27. Bxf5+ Kh6
28. Bg3 h4 29. Bh2 Nxd4 30. Kg2 Nxf5 31. Ng4+ Kh5 32. Rxe7 Rxe7 33. Nge3 Nd4
34. Rd1 Nb5 35. b3 Nc3 36. Rd2 c5 37. a4 Bd4 38. Bd6 Re6 39. Nc2 Ne4 40. Nxd4
cxd4 41. Rxd4 a6 42. a5 g4 43. Be5 h3+ 44. Kg1 Ng5 45. Rd5 Nf3+ 46. Kf1 Kg6 47.
Bg3 *
Position (FEN): 8/1p6/p3r1k1/P2R4/2N3p1/1P3nBp/5P2/5K2 b - - 7 47
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 540
Best move: Re1#