Chess puzzle (Checkmate)
Moves: 1. d4 e6 2. Bf4 d6 3. e4 b6 4. f3 Bb7 5. Ne2 Nd7 6. Nd2 Be7 7. c3 a6 8. Qc2
Ngf6 9. O-O-O Nh5 10. g4 Nxf4 11. Nxf4 c5 12. Nb3 Bg5 13. Qd2 Qc7 14. h4 Bxf4
15. Qxf4 c4 16. Nd2 b5 17. Kb1 f6 18. g5 e5 19. dxe5 dxe5 20. Qg4 O-O-O 21. Bh3
Kb8 22. Qg3 Nc5 23. gxf6 gxf6 24. Rhg1 Rhg8 25. Qf2 Rxg1 26. Rxg1 Qd6 27. Rg2
Qd3+ 28. Kc1 Na4 29. f4 Bxe4 30. Kd1 Bf3+ 31. Ke1 Qb1+ 32. Nxb1 *
Position (FEN): 1k1r4/7p/p4p2/1p2p3/n1p2P1P/2P2b1B/PP3QR1/1N2K3 b - - 0 32
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 493
Best move: Rd1#