Chess puzzle (Checkmate)
Moves: 1. d4 g6 2. Bf4 Bg7 3. e3 Nf6 4. Nf3 O-O 5. Nbd2 d6 6. h4 h5 7. Bd3 Nc6 8. c3
Re8 9. Nc4 b5 10. Na3 a6 11. Qd2 e5 12. d5 exf4 13. dxc6 fxe3 14. fxe3 Ng4 15.
e4 Bf5 16. O-O-O Bxe4 17. Ng5 Bxd3 18. Qxd3 Rb8 19. Rdf1 Rf8 20. Qd5 Ne5 21.
Nc2 Bh6 22. Kb1 Bxg5 23. hxg5 Qxg5 24. Nd4 Kg7 25. Rxf7+ Kh8 26. Ne6 Qh6 27.
Rxf8+ Rxf8 28. Nxf8 Qxf8 29. Qe6 Kg7 30. Ka1 Qf7 31. Qc8 a5 32. Qb7 b4 33. cxb4
axb4 34. Qxb4 Nxc6 35. Qc3+ Ne5 36. a4 c5 37. a5 Qd5 38. Kb1 c4 39. Rc1 Qxg2
40. Rc2 Qe4 41. Ka2 d5 42. Qb4 d4 43. Qe7+ Kh6 44. Rf2 c3 45. Qf8+ Kg5 46. Qf6+
Kg4 47. Qe6+ Kg3 48. Rf1 Qe2 49. Qd5 *
Position (FEN): 8/8/6p1/P2Qn2p/3p4/2p3k1/KP2q3/5R2 b - - 9 49
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1260
Best move: Qxb2#