Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 Bxc3 5. dxc3 d6 6. Bg5 Nc6 7. O-O h6 8.
Bh4 g5 9. Bg3 Qe7 10. Re1 Bd7 11. Qd2 O-O-O 12. b4 b6 13. a4 Be6 14. Bxe6+ fxe6
15. Qd3 h5 16. Qa6+ Kb8 17. Nxg5 h4 18. Bxh4 Rxh4 19. a5 Ng4 20. axb6 cxb6 21.
Nf3 Rh7 22. b5 Na5 23. h3 Nf6 24. Rxa5 bxa5 25. Qxa5 Qc7 26. Qa2 d5 27. Rb1
Nxe4 28. b6 axb6 29. Ra1 Qb7 30. Nxe5 Nxc3 31. Qb2 Ne4 32. Qb5 Rc7 33. Ra6 Rc5
34. Qa4 Ra5 35. Nc6+ Kc8 36. Ne7+ Qxe7 37. Qc6+ Qc7 38. Qxe6+ Kb8 39. Rxb6+ Ka7
40. Rb1 Qc5 41. Qf7+ Ka6 *
Position (FEN): 3r4/5Q2/k7/r1qp4/4n3/7P/2P2PP1/1R4K1 w - - 5 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 983
Best move: Qb7#