Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 h6 8. Bh4
c6 9. Nge2 Be6 10. f3 Nbd7 11. Bf2 c5 12. Nf4 cxd4 13. exd4 Bd6 14. Nxe6 fxe6
15. O-O Nh5 16. g3 Qg5 17. Kh1 Qe7 18. Bg6 Qg5 19. Bxh5 Qxh5 20. f4 Qf7 21. Re1
Nf6 22. Be3 Qg6 23. Rc1 Ng4 24. Qc2 Qh5 25. Qg2 g5 26. fxg5 Rf3 27. Bg1 Rxg3
28. Qe2 Rf8 29. Qxe6+ Kh8 30. Qxd6 Qxh2+ 31. Bxh2 *
Position (FEN): 5r1k/pp6/3Q3p/3p2P1/3P2n1/2N3r1/PP5B/2R1R2K b - - 0 31
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1377
Best move: Nf2#