Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 d6 7. c3 g6 8. a4 b4
9. a5 Bg7 10. Bg5 bxc3 11. bxc3 O-O 12. Bd5 Qe8 13. Bb3 Nd8 14. h3 Ne6 15. Be3
c5 16. Qd2 Nh5 17. g3 Rb8 18. Bc4 Qc6 19. Na3 Qb7 20. O-O Qb2 21. Nc2 Nc7 22.
Kg2 Be6 23. Rfb1 Qxb1 24. Rxb1 Rxb1 25. Na3 Rb7 26. Ng5 Rfb8 27. Nxe6 fxe6 28.
d4 d5 29. exd5 exd5 30. Bf1 cxd4 31. cxd4 Rb2 32. Qc1 exd4 33. Bg5 Ne6 34. Be7
R8b7 35. Qc8+ Kf7 36. Bd6 Nf6 37. Bxa6 Rd7 38. Nb5 d3 39. Qc3 Rxf2+ 40. Kg1 d2
41. Qd3 Ne4 42. Bc8 Rxd6 43. Nxd6+ Nxd6 44. Bxe6+ Kxe6 45. Kxf2 Ne4+ 46. Kf3
Be5 47. a6 Bb8 48. g4 g5 49. Ke3 Ba7+ 50. Ke2 Ke5 51. Qb5 Be3 52. Qe8+ Kf4 53.
Qf7+ Ke5 54. a7 Nc3+ 55. Kxe3 d1=Q *
Position (FEN): 8/P4Q1p/8/3pk1p1/6P1/2n1K2P/8/3q4 w - - 0 56
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1752
Best move: Qe7#