Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. f4 d5 3. exd5 e4 4. Nc3 Qh4+ 5. g3 Qe7 6. Bb5+ c6 7. dxc6 Nxc6 8.
Qe2 Bf5 9. d3 O-O-O 10. Bxc6 bxc6 11. dxe4 Bd7 12. Qa6+ Kb8 13. e5 Qc5 14. Qd3
f6 15. Be3 Qb4 16. Nf3 Be7 17. O-O Bh3 18. a3 Qb7 19. Qe2 Bxf1 20. Qxf1 fxe5
21. Nxe5 Nh6 22. b4 Bf6 23. Rd1 Rhf8 24. Rxd8+ Rxd8 25. Qc4 Rc8 26. Ne4 Nf5 27.
Bc5 h6 28. g4 Bxe5 29. fxe5 Nh4 30. Nd6 Qd7 31. b5 cxb5 32. Qb4 Nf3+ 33. Kf2
Nxe5 34. a4 Nc6 35. Qxb5+ Ka8 36. a5 Rb8 37. Qd3 Qxg4 38. Be3 Qh4+ 39. Ke2
Qxh2+ 40. Kd1 Rb1+ 41. Bc1 Nb4 42. Qe4+ Kb8 43. Qe8+ Kc7 44. Nb5+ Kb7 45. Qd7+
Ka6 46. Nc7+ Kxa5 *
Position (FEN): 8/p1NQ2p1/7p/k7/1n6/8/2P4q/1rBK4 w - - 0 47
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 884
Best move: Qb5#