Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. c3 cxd4 5. cxd4 Qb6 6. Bxf6 gxf6 7. Nbd2 Qxb2
8. e3 d5 9. Bd3 Nc6 10. O-O f5 11. a4 Qb4 12. Bb5 Bg7 13. Ne5 Qd6 14. Rc1 Bd7
15. Nxd7 Qxd7 16. Nb3 Rc8 17. Nc5 Qe7 18. a5 O-O 19. Qa4 Nxa5 20. Nd7 Rxc1 21.
Rxc1 Rd8 22. Qxa5 a6 23. Ba4 b5 24. Nc5 bxa4 25. Qxa6 f4 26. Qxa4 fxe3 27. fxe3
Qg5 28. Qb3 h5 29. Rf1 Ra8 30. Kh1 Qf5 31. Qd1 Qg5 32. Qf3 Qg6 33. h3 Ra3 34.
Nd7 Bxd4 35. Qf4 Bg7 36. Rf3 h4 37. Qxh4 Qh6 38. Qg4 Rxe3 39. Nf6+ Kf8 *
Position (FEN): 5k2/5pb1/4pN1q/3p4/6Q1/4rR1P/6P1/7K w - - 2 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1819
Best move: Qb4#