Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nf3 Bg4 6. Nbd2 e6 7. Bd3 Bd6 8. Bg5
h6 9. Bh4 O-O 10. Rc1 e5 11. dxe5 Nxe5 12. Be2 Bf5 13. Nxe5 Bxe5 14. Nf3 Bd6
15. Bxf6 Qxf6 16. Qxd5 Rfd8 17. Qb3 Rab8 18. a4 Be6 19. Bc4 Bxc4 20. Qxc4 a6
21. O-O b5 22. axb5 axb5 23. Qe2 Re8 24. Rfd1 b4 25. cxb4 cxb4 26. b3 Rbc8 27.
h3 Qe6 28. Qa2 Rxc1 29. Rxc1 Rc8 30. Rxc8+ Qxc8 31. Nd4 *
Position (FEN): 2q3k1/5pp1/3b3p/8/1p1N4/1P2P2P/Q4PP1/6K1 b - - 1 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 604
Best move: Qc1#