Chess puzzle (Checkmate)
Moves: 1. d4 c6 2. e4 d5 3. Nc3 dxe4 4. f3 e5 5. Nxe4 Qxd4 6. Bd3 f5 7. Ne2 Qd8 8.
N4g3 g6 9. O-O Bc5+ 10. Kh1 Nf6 11. Bh6 Be6 12. Qe1 Nbd7 13. Nc3 Qe7 14. a3
O-O-O 15. b4 Bd4 16. Na4 Bxa1 17. Qxa1 Nd5 18. c4 N5b6 19. Nxb6+ Nxb6 20. c5
Nd5 21. Qxe5 Rhe8 22. Bc4 Qf6 23. Qe1 Nf4 24. Bxe6+ Nxe6 25. Bc1 Nxc5 26. Qf2
Nd3 27. Qxa7 Nxc1 28. Rxc1 Qb2 29. Rf1 Qd4 30. Qa8+ Kc7 31. Qa5+ Qb6 32. Qa4
Qb5 33. Qb3 f4 34. Qf7+ Kc8 35. Qxf4 Rg8 36. h4 Rgf8 37. Qg4+ Kb8 38. Rb1 Qd5
39. Ne4 Rfe8 40. a4 Qe5 41. b5 c5 42. a5 c4 43. a6 b6 44. Rc1 Rc8 45. Nc3 Red8
46. f4 Qf5 47. Qf3 Rd3 *
Position (FEN): 1kr5/7p/Pp4p1/1P3q2/2p2P1P/2Nr1Q2/6P1/2R4K w - - 3 48
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 856
Best move: Qb7#