Chess puzzle (Checkmate)
Moves: 1. g3 e5 2. Bg2 d5 3. Nf3 e4 4. Nd4 Bc5 5. Nb3 Bb6 6. O-O h5 7. d3 h4 8. dxe4
hxg3 9. hxg3 Qf6 10. e3 Qh6 11. Re1 Bd7 12. Qxd5 Qh2+ 13. Kf1 c6 14. Qe5+ Be6
15. Nd4 Nd7 16. Qg5 Bc4+ 17. Ne2 Rh7 18. b3 Bxe2+ 19. Rxe2 f6 20. Qg6+ Kf8 21.
Ba3+ c5 22. Nc3 Ne5 23. Qf5 Ne7 24. Qf4 N7g6 25. Qf5 Ne7 26. Qe6 Re8 27. Nd5
Nxd5 28. Qxd5 Rd8 29. Bxc5+ Bxc5 30. Qxc5+ Ke8 31. Qb5+ Kf7 32. Qxb7+ Kg6 33.
Qe7 Rd7 34. Qe8+ Rf7 35. Rd1 Rh3 36. Red2 Ng4 37. Bxh3 Qxh3+ 38. Ke2 Ne5 39.
Re1 Qg4+ 40. Kf1 Qh3+ 41. Kg1 *
Position (FEN): 4Q3/p4rp1/5pk1/4n3/4P3/1P2P1Pq/P1PR1P2/4R1K1 b - - 7 41
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 816
Best move: Nf3#