Chess puzzle (Checkmate)
Moves: 1. d4 b6 2. Bf4 e6 3. Nf3 Nf6 4. c4 Bb7 5. Nc3 Bb4 6. Qc2 Ne4 7. a3 Bxc3+ 8.
bxc3 O-O 9. e3 Qf6 10. Bd3 d5 11. cxd5 exd5 12. c4 c6 13. O-O Nd7 14. cxd5 cxd5
15. Qc7 Bc6 16. Bxe4 dxe4 17. Ne5 Rfc8 18. Nxd7 Qe7 19. Qe5 Qxd7 20. Rac1 Re8
21. Qg5 Bb5 22. Rfd1 h6 23. Qg3 Qe6 24. Rc7 a5 25. Be5 g6 26. Qf4 g5 27. Qxe4
Rad8 28. f4 f5 29. Qb7 Rd7 30. Rdc1 Ree7 31. Rc8+ Kf7 32. R1c7 Qb3 33. Qxb6
Qxe3+ 34. Kh1 *
Position (FEN): 2R5/2Rrrk2/1Q5p/pb2Bpp1/3P1P2/P3q3/6PP/7K b - - 1 34
Black to move.
Themes:  Middlegame Back Rank Mate, Mate in 1 
Puzzle rating: 668
Best move: Qe1#