Chess puzzle (Checkmate)
Moves: 1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Na3 Na5 6. Be2 c6 7. c4 O-O 8. Nc2
Qe7 9. Nf3 b6 10. d4 e4 11. Ne5 Bc7 12. Ng4 d5 13. Nxf6+ Qxf6 14. cxd5 cxd5 15.
Qd2 Qg5 16. g3 Bh3 17. O-O-O Rfc8 18. Kb1 Bd6 19. Rc1 Qe7 20. Bf1 Bxf1 21.
Rhxf1 Nc6 22. h4 a5 23. a4 Nb4 24. Nxb4 Bxb4 25. Rxc8+ Rxc8 26. Qe2 g6 27. Rc1
Rxc1+ 28. Bxc1 Bc3 29. Qc2 Qb4 30. Ka2 Be1 31. Qe2 Qc3 32. Ba3 Qd2+ 33. Qxd2
Bxd2 34. Bd6 Be1 35. Bc7 Bxf2 36. Bxb6 Bxe3 37. b4 Bd2 38. bxa5 e3 39. a6 e2
40. a7 e1=Q 41. a8=Q+ Kg7 42. Bc5 Bc3 43. Qf8+ Kf6 44. Qd6+ Kf5 45. Qf4+ Ke6
46. Qg4+ f5 47. Qf4 Qa1+ 48. Kb3 *
Position (FEN): 8/7p/4k1p1/2Bp1p2/P2P1Q1P/1Kb3P1/8/q7 b - - 3 48
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 894
Best move: Qb2#