Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nd7 3. c4 g6 4. Nf3 Bg7 5. Nc3 e5 6. d5 Ngf6 7. Bg5 h6 8. Bd2
O-O 9. Be2 Nh7 10. O-O Ndf6 11. h3 h5 12. Qc1 Bd7 13. Bh6 Qe7 14. Bxg7 Kxg7 15.
Qc2 Rac8 16. b4 c6 17. Rac1 cxd5 18. Nxd5 Nxd5 19. exd5 b6 20. Nd2 Ng5 21. Qd3
Bf5 22. Qe3 Qf6 23. Bd3 Bxd3 24. Qxd3 Nh7 25. Ne4 Qe7 26. Rfe1 f5 27. Nd2 Ng5
28. h4 Nf7 29. f4 Qxh4 30. fxe5 Nxe5 31. Qc3 Kh7 32. Re3 Ng4 33. Rh3 Qf2+ 34.
Kh1 Rce8 35. Nf3 Qxa2 36. Ng5+ Kh6 37. Rc2 Qb1+ 38. Rc1 Qa2 39. Rc2 Qxc2 40.
Qxc2 *
Position (FEN): 4rr2/p7/1p1p2pk/3P1pNp/1PP3n1/7R/2Q3P1/7K b - - 0 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 895
Best move: Re1#