Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. d4 Nc6 3. Nf3 exd4 4. c3 dxc3 5. Bc4 cxb2 6. Bxb2 Bb4+ 7. Nc3 Qf6
8. Qb3 Bxc3+ 9. Bxc3 Qf4 10. Bxg7 Qxe4+ 11. Be2 d5 12. Bxh8 f6 13. Nd2 Qf4 14.
Qd3 Be6 15. O-O O-O-O 16. Nf3 Bf5 17. Qc3 d4 18. Qc5 Be4 19. Rfd1 d3 20. Bf1
Nh6 21. Bg7 Ng4 22. h3 Bxf3 23. hxg4 Bxd1 24. Rxd1 Ne5 25. Qxa7 d2 26. Qa8+ Kd7
27. Bb5+ c6 28. Qxb7+ Ke6 29. Bxc6 Nxg4 30. Qb3+ Ke7 31. Bf3 Qh2+ 32. Kf1 Ne5
33. Qb4+ Kf7 34. Qb7+ Rd7 35. Qb3+ Kxg7 36. Qc3 Re7 37. Rxd2 Qh1+ 38. Ke2 Nxf3+
39. Kxf3 Qh5+ 40. Kf4 Qh6+ 41. Kf3 Qh5+ 42. Kf4 Qh4+ 43. Kf3 Qe4+ 44. Kg3 h5
45. Kh2 Qh4+ 46. Kg1 *
Position (FEN): 8/4r1k1/5p2/7p/7q/2Q5/P2R1PP1/6K1 b - - 3 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 696
Best move: Re1#