Chess puzzle (Checkmate)
Moves: 1. d4 c5 2. d5 e5 3. c4 d6 4. e4 g6 5. Nc3 h5 6. Be2 Bh6 7. Nf3 Kf8 8. O-O Bxc1
9. Qxc1 Qe7 10. Ne1 Nf6 11. Nd3 Nbd7 12. f4 Kg7 13. Qd2 b6 14. Rf2 Ng4 15. Bxg4
hxg4 16. Raf1 f6 17. fxe5 fxe5 18. Nb5 Ba6 19. Nc7 Bxc4 20. Nxa8 Rxa8 21. Qd1
Bxd3 22. Qxd3 Rf8 23. Rxf8 Nxf8 24. Qa6 Nh7 25. Qc8 Nf6 26. Qe6 Qd8 27. h3 gxh3
28. gxh3 Nxe4 29. Rf7+ Kh6 30. Re7 Ng5 31. Qf6 Qc8 32. h4 Qg4+ 33. Kf1 Qc4+ 34.
Kg1 Qc1+ 35. Kg2 Qxb2+ 36. Kg1 Qa1+ 37. Qf1 Qxf1+ 38. Kxf1 Ne4 39. Rd7 b5 40.
Kg2 b4 41. Kf3 Nc3 42. Rxd6 Nxa2 43. Rc6 b3 44. Rxc5 a6 45. Rc8 a5 46. Rb8 Nb4
47. d6 b2 48. d7 b1=Q 49. d8=Q Qf5+ 50. Ke3 Qf4+ 51. Ke2 Qe4+ 52. Kd2 Qg2+ 53.
Ke3 Qg3+ 54. Ke4 *
Position (FEN): 1R1Q4/8/6pk/p3p3/1n2K2P/6q1/8/8 b - - 10 54
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1310
Best move: Qf4#