Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Bc4 Nc6 3. Nf3 d6 4. Nc3 Bg4 5. h3 Bh5 6. g4 Bg6 7. d4 cxd4 8. Nxd4
Nf6 9. f3 e5 10. Nf5 Bxf5 11. exf5 Be7 12. Be3 Rc8 13. Nd5 Nxd5 14. Bxd5 Rc7
15. Qd2 O-O 16. O-O-O Rc8 17. g5 Qc7 18. f6 gxf6 19. gxf6 Bxf6 20. Rhg1+ Kh8
21. Bh6 Rg8 22. f4 Nd4 23. c3 Nb5 24. fxe5 Bxe5 25. c4 Qb6 26. Rxg8+ Rxg8 27.
cxb5 Qxb5 28. Bb3 Rc8+ 29. Kb1 a5 30. Rc1 Ra8 31. Qd5 Qb6 32. Qxf7 a4 33. Bd5 *
Position (FEN): r6k/1p3Q1p/1q1p3B/3Bb3/p7/7P/PP6/1KR5 b - - 1 33
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 684
Best move: Qxb2#