Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 d6 6. Be3 Bb6 7. O-O h6 8. h3
Be6 9. Nd5 Bxd5 10. Bxd5 Nxd5 11. exd5 Nb4 12. c4 Na6 13. b4 Nxb4 14. Qa4+ c6
15. Qxb4 c5 16. Qb5+ Kf8 17. a4 Rb8 18. a5 Bc7 19. Nd2 a6 20. Qb1 f5 21. Nb3 f4
22. Bd2 g5 23. Qd1 h5 24. g3 Qf6 25. Bc3 Ke7 26. Qe2 Rbg8 27. d4 cxd4 28. Bxd4
f3 29. Qe3 Qf5 30. Kh2 g4 31. c5 *
Position (FEN): 6rr/1pb1k3/p2p4/P1PPpq1p/3B2p1/1N2QpPP/5P1K/R4R2 b - - 0 31
Black to move.
Themes:  Middlegame  
Puzzle rating: 1957
Best move: h4