Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 g5 6. Bg3 d5 7. e3 Nc6 8. Qc2
Bd7 9. a3 Bxc3+ 10. bxc3 Ne7 11. Bd3 Nf5 12. Be5 Rg8 13. c5 Ng4 14. Nf3 Nxe5
15. Nxe5 f6 16. Nf3 g4 17. Nd2 Kf7 18. O-O-O Qe7 19. Rdg1 b6 20. cxb6 cxb6 21.
Kb2 Rac8 22. g3 Nd6 23. h3 gxh3 24. Rxh3 e5 25. Rxh6 e4 26. Ba6 Rcf8 27. Be2
Rh8 28. Bh5+ Kg7 29. Rg6+ Kh7 30. Qd1 Be8 31. Qg4 *
Position (FEN): 4br1r/p3q2k/1p1n1pR1/3p3B/3Pp1Q1/P1P1P1P1/1K1N1P2/6R1 b - - 11 31
Black to move.
Themes:  Middlegame  
Puzzle rating: 1703
Best move: f5