Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. Qxd4 e6 7. Be3 Ngf6
8. h3 a6 9. O-O-O Qc7 10. g4 h6 11. f4 e5 12. Qd3 Nc5 13. Bxc5 dxc5 14. Nf3 Rd8
15. Nd5 Nxd5 16. exd5 Bd6 17. fxe5 Bxe5 18. Nxe5 O-O 19. d6 Qa5 20. Qd5 Qb4 21.
d7 Qf4+ 22. Kb1 Qb4 23. Rhf1 a5 24. Nxf7 Rxf7 25. Qxf7+ Kh8 26. c3 Qb6 27. Qe7
a4 28. Rf8+ Rxf8 29. Qxf8+ Kh7 30. Qc8 a3 31. d8=Q *
Position (FEN): 2QQ4/1p4pk/1q5p/2p5/6P1/p1P4P/PP6/1K1R4 b - - 0 31
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 971
Best move: Qxb2#