Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bd7 5. Bd3 c5 6. e6 Bxe6 7. dxc5 Nf6 8. g5
Nfd7 9. Be3 Nc6 10. Nf3 Qa5+ 11. Nbd2 Nxc5 12. O-O Nxd3 13. cxd3 d4 14. Nb3
Bxb3 15. Qxb3 Qf5 16. Qxb7 Rc8 17. Nxd4 Nxd4 18. Bxd4 Qxg5+ 19. Kh1 Qg4 20.
Rac1 Rd8 21. Bxa7 Qd7 22. Rc7 Qd5+ 23. Qxd5 Rxd5 24. Rfc1 f5 25. Re1 Rxd3 26.
Bc5 Rd7 27. Rc8+ Kf7 28. b4 g6 29. a4 Bg7 30. Rxh8 Bxh8 31. a5 e6 32. a6 Bd4
33. Rd1 e5 34. Bxd4 exd4 35. b5 d3 36. b6 f4 37. b7 d2 38. a7 f3 39. a8=Q Re7
40. Rxd2 *
Position (FEN): Q7/1P2rk1p/6p1/8/8/5p2/3R1P1P/7K b - - 0 40
Black to move.
Themes:  Endgame, Queen and Rook Endgame Mate in 1 
Puzzle rating: 590
Best move: Re1#