Chess puzzle (Checkmate)
Moves: 1. f4 e5 2. fxe5 d6 3. Nf3 Nc6 4. e4 dxe5 5. Bb5 Bc5 6. d3 Nf6 7. Qe2 O-O 8.
Bxc6 bxc6 9. Be3 Qd6 10. Bxc5 Qxc5 11. Nc3 Rb8 12. Nd1 Bg4 13. Qf2 Qa5+ 14. Qd2
Qc5 15. Qf2 Qa5+ 16. Qd2 Qc5 17. b3 Bxf3 18. gxf3 Nh5 19. Qf2 Qa5+ 20. Qd2 Qc5
21. Qf2 Qa5+ 22. Qd2 Qc5 23. Qc3 Qe7 24. Nf2 Nf4 25. Qd2 Ng2+ 26. Kd1 Qc5 27.
Rg1 Nf4 28. Rg4 f6 29. Kc1 Rfd8 30. Kb2 Rd7 31. Nd1 a5 32. Qc3 Qd6 33. Qc4+ Kh8
34. Ne3 a4 35. Nf5 a3+ 36. Kc1 Qf8 37. Kd2 c5 38. Rag1 g6 39. Ne3 Rbd8 40. Ng2
Nh5 41. Ne3 Rd4 42. Qe6 Nf4 43. Rxf4 exf4 44. Nd5 c4 45. bxc4 c6 46. Nxf4 Qb4+
47. Ke2 R4d6 48. Qf7 Qc3 49. Rxg6 hxg6 *
Position (FEN): 3r3k/5Q2/2pr1pp1/8/2P1PN2/p1qP1P2/P1P1K2P/8 w - - 0 50
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 798
Best move: Nxg6#