Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 c6 6. Bd2 O-O 7. Rc1 h6 8. Be2
Be6 9. Na4 Nbd7 10. O-O dxc4 11. b3 b5 12. Nc3 cxb3 13. axb3 a5 14. Qc2 Rc8 15.
Rb1 Bf5 16. e4 Bg4 17. Be3 Bxf3 18. Bxf3 e5 19. Rfd1 exd4 20. Bxd4 Qe7 21. Re1
Ne5 22. Be2 Nfd7 23. Be3 g5 24. Rbc1 Rfe8 25. Nd1 Qb4 26. Bd2 Qa3 27. Ne3 a4
28. bxa4 Qxa4 29. Qb1 Ng6 30. Nf5 Bf8 31. Bc3 Qxe4 32. Bd3 Qd5 33. Be4 Qe6 34.
Rcd1 Nde5 35. Bc2 Rcd8 36. Rxd8 Rxd8 37. Qb2 Nc4 38. Qc1 Qd7 39. h4 Re8 40.
hxg5 h5 41. Rd1 Qe6 42. Nh6+ Bxh6 43. gxh6 b4 44. Ba1 Qg4 45. Bb3 Nf4 46. g3
Ne2+ 47. Kg2 Nxc1 48. Rxc1 Qe4+ 49. Kg1 Nd2 50. Bc2 Nf3+ 51. Kf1 Nd2+ 52. Kg1
Nf3+ 53. Kf1 Qg4 54. h7+ Kf8 55. h8=Q+ Ke7 56. Qf6+ Kd7 57. Qf4 *
Position (FEN): 4r3/3k1p2/2p5/7p/1p3Qq1/5nP1/2B2P2/B1R2K2 b - - 4 57
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1470
Best move: Qh3#