Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. g4 Be7 8. g5
Nfd7 9. h4 Qc7 10. Qd2 b5 11. a3 Nc6 12. Bh3 Nde5 13. O-O-O Nc4 14. Qe2 Nxe3
15. Qxe3 O-O 16. f4 Na5 17. Qd3 Nc4 18. f5 e5 19. Nd5 Qb7 20. f6 Bd8 21. fxg7
Kxg7 22. Bxc8 Rxc8 23. Nf5+ Kh8 24. Rdg1 a5 25. h5 b4 26. axb4 axb4 27. g6 fxg6
28. hxg6 Qa7 29. g7+ Kg8 30. gxf8=Q+ Kxf8 31. Kd1 *
Position (FEN): 2rb1k2/q6p/3p4/3NpN2/1pn1P3/3Q4/1PP5/3K2RR b - - 1 31
Black to move.
Themes:  Middlegame  
Puzzle rating: 928
Best move: Nxb2+