Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 Nc6 3. Nf3 f6 4. g3 Bf5 5. Bg2 e6 6. O-O Bg6 7. cxd5 exd5 8. Nc3
Nge7 9. Bf4 a6 10. Nh4 Bf7 11. Be3 g5 12. Nf3 Qd7 13. Qc2 O-O-O 14. Rac1 h5 15.
Nd2 Nf5 16. Nb3 h4 17. Nc5 Bxc5 18. dxc5 h3 19. Bf3 Nxe3 20. fxe3 Qe8 21. e4
dxe4 22. Nxe4 Kb8 23. Nxf6 Qe6 24. Ne4 Bg6 25. Qa4 g4 26. Bh1 Rhe8 27. Rf6 Qg8
28. Rxc6 bxc6 29. Rc3 Qf7 30. Rb3+ Ka7 31. Qxc6 *
Position (FEN): 3rr3/k1p2q2/p1Q3b1/2P5/4N1p1/1R4Pp/PP2P2P/6KB b - - 0 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1334
Best move: Rd1#