Chess puzzle (Checkmate)
Moves: 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 Be7 5. Bf4 O-O 6. e3 c6 7. a3 Nbd7 8. Bd3
dxc4 9. Bxc4 Nb6 10. Bd3 Re8 11. O-O Bd6 12. Ne5 Nfd5 13. Bxh7+ Kxh7 14. Qh5+
Kg8 15. Qxf7+ Kh8 16. Ng6+ Kh7 17. Bxd6 Qf6 18. Qxe8 Bd7 19. Nf8+ Kh6 20. Qxa8
Nxa8 21. Nxd7 Qd8 22. Nxd5 cxd5 23. Bf4+ g5 24. Nc5 gxf4 25. Nxe6 Qf6 26. Nxf4
Qf5 27. Rac1 Nb6 28. b3 Nd7 29. Rc7 Nf6 30. Rxb7 Nh5 31. Nxh5 Qxh5 32. Rxa7 Kg6
33. Rc1 Kf5 34. Rc5 *
Position (FEN): 8/R7/8/2Rp1k1q/3P4/PP2P3/5PPP/6K1 b - - 4 34
Black to move.
Themes:  Endgame, Queen and Rook Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 731
Best move: Qd1#