Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Bb7 6. a3 Bxc3+ 7. Nxc3 O-O 8.
Bd3 d5 9. O-O Nbd7 10. b3 c5 11. Bb2 Rc8 12. Qe2 Qe7 13. Rad1 Rfd8 14. cxd5
Nxd5 15. Nxd5 Bxd5 16. Bc2 Nf6 17. dxc5 Rxc5 18. b4 Rcc8 19. Bd3 Bb7 20. Bb1 h6
21. f3 Rd5 22. e4 Rdd8 23. Qe3 Rc7 24. Rxd8+ Qxd8 25. Qe2 Rd7 26. Bc3 Qc8 27.
Rc1 Qd8 28. Bc2 a6 29. Rd1 Rxd1+ 30. Qxd1 Qc7 31. Qd4 b5 32. g3 Ne8 33. Kf2 Qc8
34. Ke3 Kh8 35. a4 Bc6 36. axb5 Bxb5 37. Bb3 f6 38. Qc5 Qd7 39. Bc2 Nd6 40. e5
Nc4+ 41. Kf2 f5 42. g4 fxg4 *
Position (FEN): 7k/3q2p1/p3p2p/1bQ1P3/1Pn3p1/2B2P2/2B2K1P/8 w - - 0 43
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 740
Best move: Qf8#