Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. Bc4 d5 3. exd5 exd5 4. Bb3 c6 5. d4 Bd6 6. Nc3 Ne7 7. Bg5 f6 8. Bh4
Bf5 9. Qf3 Qd7 10. h3 Na6 11. a3 O-O-O 12. O-O-O Bg6 13. g4 Kb8 14. Kb1 Rhe8
15. Nge2 Nc8 16. Bg3 Bxg3 17. Qxg3+ Qd6 18. Qg2 Nc7 19. f4 Nb6 20. f5 Bf7 21.
Rhf1 Nc4 22. Nf4 Ne3 23. Qf3 Nxf1 24. Rxf1 Qe7 25. Ka2 Qe3 26. Qg2 Re4 27. Nxe4
Qxd4 28. Nc3 Re8 29. Nd3 Re3 30. Rf4 Qb6 31. Rb4 Nb5 32. a4 a5 33. Rf4 Nxc3+
34. bxc3 Qc7 35. Qf2 Re7 36. Rd4 b6 37. Nf4 Kb7 38. Kb2 Re4 39. Rxe4 dxe4 40.
Qe3 Bxb3 41. cxb3 Qe5 42. Ne6 g6 43. fxg6 hxg6 44. Nf4 g5 45. Nh5 Qh2+ 46. Ka3
Qe5 47. Ng3 Qd6+ 48. Kb2 Qe5 49. Nxe4 Qh2+ 50. Ka3 Qc7 51. Qf3 Qe7+ 52. Kb2 Qd7
53. Nxf6 Qd2+ 54. Ka3 Qc1+ 55. Ka2 Qc2+ 56. Ka3 Qb1 57. Qe4 *
Position (FEN): 8/1k6/1pp2N2/p5p1/P3Q1P1/KPP4P/8/1q6 b - - 8 57
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1132
Best move: Qa1#