Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 c5 6. dxc5 Bxc5 7. Bg5 Nc6 8.
Rd1 h6 9. Bh4 Be7 10. e3 Qa5 11. Be2 Nb4 12. Qb1 b6 13. O-O Bb7 14. Bg3 Rac8
15. a3 Nc6 16. Nb5 d5 17. Nd6 Bxd6 18. Bxd6 Rfd8 19. Bg3 dxc4 20. Bxc4 Ne7 21.
Ne5 Rxd1 22. Rxd1 Ne4 23. Rd7 Nxg3 24. Rxb7 Ngf5 25. f4 Qc5 26. Qe4 Nd5 27. b4
Qd6 28. Nxf7 Qc6 29. Bxd5 Qc1+ 30. Kf2 Rc2+ 31. Kf3 *
Position (FEN): 6k1/pR3Np1/1p2p2p/3B1n2/1P2QP2/P3PK2/2r3PP/2q5 b - - 4 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1461
Best move: Qd1#