Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Bb5 Qb6 6. Nc3 Nf6 7. Ne5 Bd7 8.
Nxd7 Kxd7 9. Be2 e6 10. O-O Nxd4 11. Be3 Nxe2+ 12. Qxe2 Bc5 13. Bxc5 Qxc5 14.
Na4 Qc6 15. b3 b5 16. Nb2 Ne4 17. a4 b4 18. Nd3 Qc3 19. f3 Qd4+ 20. Kh1 Nc3 21.
Ne5+ Ke8 22. Qe1 Rc8 23. f4 Ke7 24. Nf3 Qxf4 25. Ne5 Qg5 26. Rxf7+ Kd6 27. Nd3
Rc7 28. Rxc7 Kxc7 29. Nxb4 Qf6 30. Qg3+ Kd7 31. Na6 Ne4 32. Qc7+ Ke8 33. Qb8+
Kf7 34. Qxh8 *
Position (FEN): 7Q/p4kpp/N3pq2/3p4/P3n3/1P6/2P3PP/R6K b - - 0 34
Black to move.
Themes: Hanging Piece Endgame Back Rank Mate, Mate in 1 
Puzzle rating: 1731
Best move: Qxa1#