Chess puzzle (Checkmate)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qe2 Be6 6. g3 Bb4 7. Bg2 O-O 8.
Nf3 Nc6 9. O-O Bg4 10. Qc4 Be6 11. Qb5 Rb8 12. Bg5 a6 13. Qe2 h6 14. Bxf6 Qxf6
15. Nd5 Qd8 16. Rfd1 Bd6 17. c4 Kh8 18. h3 Qc8 19. Kh2 a5 20. a3 a4 21. Qc2 Bc5
22. Rd2 Ra8 23. Qc3 Nd4 24. Rad1 f6 25. Nh4 Kh7 26. Ne3 c6 27. f4 Nb3 28. Rd3
Bd4 29. Qc2 Qc7 30. f5 Bf7 31. Qf2 Nc5 32. R3d2 Nb3 33. Rd3 Rad8 34. Ng6 Rfe8
35. Qf3 Bxe3 36. Rxe3 Rxd1 37. Qxd1 Rd8 38. Rd3 Nd4 39. Bf3 Bxg6 40. fxg6+ Kh8
41. Bg4 b5 42. Rc3 Qd6 43. cxb5 cxb5 44. Kg2 b4 45. axb4 Qxb4 46. Qc1 Qb8 47.
Rc7 Nb5 48. Qxh6+ gxh6 49. Rh7+ Kg8 50. Be6+ Kf8 51. g7+ Ke7 52. g8=Q+ Kd6 53.
Qf7 Qc7 54. Bd7 Rxd7 *
Position (FEN): 8/2qr1Q1R/3k1p1p/1n2p3/p3P3/6PP/1P4K1/8 w - - 0 55
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1554
Best move: Qd5#