Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Bf5 5. h3 e6 6. Nf3 Bb4 7. a3 Bxc3+ 8. bxc3
O-O 9. Bd3 Bxd3 10. Qxd3 dxc4 11. Qxc4 Nbd7 12. O-O Nb6 13. Qd3 Nbd5 14. e4 Nb6
15. e5 Nfd5 16. Ng5 g6 17. h4 Re8 18. h5 f6 19. Nf3 gxh5 20. exf6 Qxf6 21. Bg5
Qg6 22. Qd2 Nc4 23. Qc1 Rf8 24. Nh4 Qd3 25. Bh6 Rf7 26. Qg5+ Kh8 27. Qxh5 Rf4
28. Bxf4 Nxf4 29. Qf7 Qe4 30. Rfe1 Ne2+ 31. Kf1 *
Position (FEN): r6k/pp3Q1p/2p1p3/8/2nPq2N/P1P5/4nPP1/R3RK2 b - - 5 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1300
Best move: Nd2#