Chess puzzle (Checkmate)
Moves: 1. d4 f5 2. Nc3 Nf6 3. Bg5 d6 4. Bxf6 gxf6 5. e4 fxe4 6. Qh5+ Kd7 7. Nxe4 Nc6
8. O-O-O Qe8 9. Nc5+ Kd8 10. Qe2 e5 11. dxe5 fxe5 12. Nf3 Qh5 13. Qe4 Bf5 14.
Nxb7+ Kc8 15. Qxc6 Qg6 16. Nxd6+ Bxd6 17. Qxa8+ Kd7 18. Bb5+ Ke7 19. Qxh8 Bxc2
20. Rd2 Be4 21. Rhd1 Bb1 22. Nxe5 Bxe5 23. Rd7+ Ke6 24. Bc4+ Kf5 25. Qf8+ Kg4
26. h3+ Kh4 27. g3+ Kxh3 28. Bf1+ Kh2 29. R1d2 Bxa2 30. f4+ Kxg3 31. fxe5 *
Position (FEN): 5Q2/p1pR3p/6q1/4P3/8/6k1/bP1R4/2K2B2 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 887
Best move: Qb1#