Chess puzzle (Checkmate)
Moves: 1. Nf3 b6 2. d4 Bb7 3. Nbd2 g6 4. g3 Bg7 5. c3 Nf6 6. Bg2 O-O 7. O-O d6 8. Qc2
Nbd7 9. e4 c5 10. e5 Nd5 11. exd6 exd6 12. dxc5 dxc5 13. Ne4 N7f6 14. Bg5 h6
15. Nxf6+ Nxf6 16. Rad1 Qc8 17. Bd2 Qc6 18. Nh4 Qc7 19. Bf4 Qc8 20. Nf3 g5 21.
Bd6 Rd8 22. Rfe1 Bf8 23. Bxf8 Kxf8 24. Rxd8+ Qxd8 25. Rd1 Qe7 26. Qf5 Be4 27.
Qe5 Qxe5 28. Nxe5 Bxg2 29. Kxg2 Re8 30. Re1 Kg7 31. Kf1 a5 32. a4 Re6 33. h3
Nd5 34. Nc4 Rf6 35. Re5 Nc7 36. Ne3 Re6 37. Rf5 Rd6 38. Ke2 Ne6 39. Nc4 Rc6 40.
Ne5 Rc7 41. Ng4 Re7 42. Kd3 Nc7 43. Ne3 Kg6 44. Rf3 Ne8 45. g4 Nd6 46. Nd5 c4+
47. Kd4 *
Position (FEN): 8/4rp2/1p1n2kp/p2N2p1/P1pK2P1/2P2R1P/1P3P2/8 b - - 1 47
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 741
Best move: Re4#