Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Qd2 h5 7. O-O-O c5 8.
dxc5 Nxc5 9. e5 Nfd7 10. exd6 exd6 11. Qxd6 Ne6 12. Bb5 Nxf4 13. Bxd7+ Bxd7 14.
Ne4 Ne6 15. Nh3 Rc8 16. Nhg5 Rc6 17. Nxe6 fxe6 18. Qg3 O-O 19. Qxg6 Qc7 20. Ng5
Qf4+ 21. Kb1 Rf6 22. Qh7+ Kf8 23. Rxd7 Qxg5 24. Rd8+ Ke7 25. Rhd1 Rc7 26. Qd3
Rf5 27. Rd7+ Rxd7 28. Qxd7+ Kf8 29. Qxe6 Qf6 30. Qc8+ Kf7 31. Rd7+ Kg6 32. Qe8+
Kh7 33. Qe4 *
Position (FEN): 8/pp1R2bk/5q2/5r1p/4Q3/5P2/PPP3PP/1K6 b - - 8 33
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 591
Best move: Qxb2#