Chess puzzle (Checkmate)
Moves: 1. b3 e6 2. Nf3 f5 3. Bb2 Nf6 4. c4 b6 5. d4 Bb7 6. g3 Bb4+ 7. Nbd2 O-O 8. Bg2
d6 9. a3 Bxd2+ 10. Qxd2 Nbd7 11. O-O Qe8 12. Ne1 Ne4 13. Qc2 Qh5 14. Rd1 Ndf6
15. f3 Ng5 16. d5 Rae8 17. Bxf6 Rxf6 18. h4 Nf7 19. dxe6 Rfxe6 20. Rf2 f4 21.
g4 Qxh4 22. Nd3 Qg3 23. Qd2 Re3 24. Kf1 Ng5 25. Nb4 Nh3 26. Bxh3 Qxh3+ 27. Kg1
R8e6 28. Rh2 Qg3+ 29. Rg2 Qh4 30. Nd5 Rh6 31. Nxe3 Qh1+ 32. Kf2 Qh4+ 33. Kf1
Qh1+ 34. Rg1 Qh3+ 35. Ng2 Rf6 36. Qd4 Bxf3 37. exf3 Qxf3+ 38. Ke1 Re6+ 39. Kd2
Re2+ 40. Kc1 Qxb3 41. Qd5+ Kf8 42. Qf5+ Ke7 43. Rd2 Qc3+ 44. Qc2 Qa1+ 45. Qb1
Qxa3+ 46. Kd1 Re6 47. Re1 Qf3+ 48. Kc2 Rxe1 49. Nxe1 Qe4+ 50. Nd3 Kd7 51. Qf1
f3 52. Qf2 Qxc4+ 53. Kd1 Qe4 54. Ne1 *
Position (FEN): 8/p1pk2pp/1p1p4/8/4q1P1/5p2/3R1Q2/3KN3 b - - 3 54
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 880
Best move: Qb1#