Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Nbd2 Bf5 6. c4 Nf6 7. Be2 Nbd7 8.
h3 dxc4 9. Bxc4 Nb6 10. Be2 Nbd5 11. O-O O-O 12. Re1 Re8 13. Qb3 Rb8 14. Nc4 h6
15. Bd2 Be6 16. Bf1 Nb6 17. Rac1 Nxc4 18. Bxc4 Bxc4 19. Rxe8+ Qxe8 20. Qxc4 Rd8
21. Re1 Qd7 22. Be3 Nd5 23. Kh1 Bf4 24. Qb3 Bxe3 25. fxe3 b6 26. e4 Nf4 27. d5
Re8 28. Qa3 a5 29. Qc3 f6 30. Nd4 Nxd5 31. Qb3 c6 32. Re2 a4 33. Qxa4 Nf4 34.
Re3 b5 35. Qb3+ Kh8 36. Qc3 b4 37. Qxb4 Nd5 38. exd5 Rxe3 39. dxc6 Qc7 40. Qb7
*
Position (FEN): 7k/1Qq3p1/2P2p1p/8/3N4/4r2P/PP4P1/7K b - - 2 40
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1070
Best move: Re1#