Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Be7 5. Ng5 O-O 6. a3 a6 7. d3 b5 8. Ba2
h6 9. Nf3 d6 10. Nd2 Nd4 11. O-O Ng4 12. Nb3 c5 13. Nxd4 cxd4 14. Nd5 Bg5 15.
f4 exf4 16. Bxf4 Bxf4 17. Nxf4 Qh4 18. Nh3 Ne3 19. Rf4 Qxf4 20. Nxf4 Nxd1 21.
Rxd1 g5 22. Nh5 Be6 23. Nf6+ Kg7 24. Bxe6 fxe6 25. Nh5+ Kg6 26. Ng3 Rac8 27.
Rc1 a5 28. Ne2 e5 29. c3 h5 30. cxd4 Rxc1+ 31. Nxc1 exd4 32. Nb3 a4 33. Nxd4
Rb8 34. Nc6 Rb6 35. Ne7+ Kf7 36. Nf5 Kf6 37. Nd4 Ke5 38. Nf3+ Kf4 39. Kf2 g4 *
Position (FEN): 8/8/1r1p4/1p5p/p3Pkp1/P2P1N2/1P3KPP/8 w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1214
Best move: g3#