Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. Nc3 Nh5 5. Be5 Bxe5 6. Nxe5 d6 7. Nf3 Nf6 8.
Qd2 Nc6 9. O-O-O Bf5 10. e3 Nb4 11. Bd3 Nxd3+ 12. cxd3 O-O 13. h3 Bd7 14. Kb1
b5 15. Rc1 a5 16. Ne4 Nxe4 17. dxe4 e6 18. d5 e5 19. Qc3 Ra7 20. g4 b4 21. Qc4
Qb8 22. b3 Bb5 23. Qc2 Rc8 24. Nd2 Qb6 25. Nc4 Qa6 26. h4 a4 27. h5 axb3 28.
Qxb3 Bxc4 29. Rxc4 Rb8 30. Ka1 Rb5 31. Rb1 Ra5 32. Rb2 Ra3 33. Qxb4 Rxa2+ 34.
Rxa2 *
Position (FEN): 6k1/r1p2p1p/q2p2p1/3Pp2P/1QR1P1P1/4P3/R4P2/K7 b - - 0 34
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 684
Best move: Qxa2#