Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. a3 cxd4 6. cxd4 Qb6 7. Nf3 Nge7 8. b4
Bd7 9. Bb2 Nf5 10. g4 Nfe7 11. h3 Ng6 12. h4 Na5 13. h5 Ne7 14. Nbd2 Rc8 15.
Rc1 h6 16. Rxc8+ Nxc8 17. Qc1 Nc6 18. Nb3 Qd8 19. Nc5 b6 20. Na6 Be7 21. Bb5
Nxe5 22. Nxe5 Bxb5 23. Nc7+ Kf8 24. Nxb5 a6 25. Nc3 Nd6 26. f4 Bh4+ 27. Ke2 Bf6
28. Kf3 Bxe5 29. dxe5 Nc4 30. Nd1 Qa8 31. Kg3 Ke7 32. Ne3 Rc8 33. Nxc4 Rxc4 34.
Qd2 d4 35. Rc1 Rxc1 36. Qxc1 Qe4 37. Qc7+ Ke8 38. Bc1 Qe1+ 39. Kf3 Qd1+ 40. Ke4
Qxg4 41. Kxd4 Qd1+ 42. Ke4 Qe2+ 43. Be3 Qg2+ 44. Kd4 Qb2+ 45. Qc3 Qg2 46. a4 *
Position (FEN): 4k3/5pp1/pp2p2p/4P2P/PP1K1P2/2Q1B3/6q1/8 b - - 0 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 931
Best move: Qd5#