Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 Qa5 7. Bxf6 gxf6 8. Qc2
f5 9. e3 Bxc3+ 10. bxc3 d6 11. Bd3 Nd7 12. Nf3 Nf6 13. O-O Bd7 14. Nd2 O-O-O
15. e4 f4 16. g3 e5 17. gxf4 Bh3 18. Kh1 Bxf1 19. Bxf1 exf4 20. e5 Nd7 21. e6
Ne5 22. e7 Rde8 23. Ne4 Kc7 24. Nxd6 Kxd6 25. Qf5 Rxe7 26. Qf6+ Kd7 27. Bh3+
Kd8 28. Qxh8+ Re8 29. Qf6+ Kc7 30. d6+ Kb8 31. d7 Nxd7 32. Bxd7 Rd8 33. Qd6+
Ka8 34. Re1 a6 35. Re8 Rxe8 36. Bxe8 Qxc3 37. Bxf7 Qf3+ 38. Kg1 Qg4+ 39. Kf1 f3
40. Qf8+ Ka7 41. Qxc5+ Ka8 42. Qe3 Qf5 43. Bd5 Qb1+ 44. Qe1 Qd3+ 45. Kg1 Qg6+
46. Kh1 *
Position (FEN): k7/1p6/p5qp/3B4/2P5/5p2/P4P1P/4Q2K b - - 10 46
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 686
Best move: Qg2#