Chess puzzle (Checkmate)
Moves: 1. Nc3 d5 2. Nf3 Nf6 3. d3 c5 4. e4 d4 5. Ne2 Bg4 6. Ne5 Be6 7. Nf4 Bc8 8. a4
Nbd7 9. Nc4 e5 10. Nh5 Be7 11. Nxg7+ Kf8 12. Bh6 Kg8 13. Nf5 Bf8 14. Bg5 h6 15.
Bh4 Kh7 16. Be2 Be7 17. Bh5 Rg8 18. Qf3 Qf8 19. Nxe7 Qxe7 20. Qf5+ Kg7 21. f4
Qe6 22. Qxe6 fxe6 23. Be2 exf4 24. g3 e5 25. gxf4 exf4 26. O-O-O Kf7 27. Rdf1
Ke6 28. Rxf4 a6 29. Rhf1 Rg6 30. e5 Nd5 31. Rg4 Rxg4 *
Position (FEN): r1b5/1p1n4/p3k2p/2pnP3/P1Np2rB/3P4/1PP1B2P/2K2R2 w - - 0 32
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1251
Best move: Bxg4#