Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 a6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 d6 7. Be3 Bd7 8.
O-O-O Nf6 9. e5 c5 10. Qf4 Nh5 11. Qf3 g6 12. exd6 Bc6 13. d7+ Bxd7 14. Qe4+
Be7 15. Bh6 Nf6 16. Qe2 Qc7 17. h3 Be6 18. g4 Rg8 19. Be3 g5 20. Bg2 Rc8 21.
Rhf1 b5 22. f4 b4 23. Na4 Bxa2 24. b3 c4 25. Kb2 cxb3 26. cxb3 Bxb3 27. Kxb3 a5
28. Rc1 Qd7 29. Rxc8+ Qxc8 30. Rc1 Qe6+ 31. Rc4 *
Position (FEN): 4k1r1/4bp1p/4qn2/p5p1/NpR2PP1/1K2B2P/4Q1B1/8 b - - 3 31
Black to move.
Themes: Pin Middlegame  
Puzzle rating: 1580
Best move: gxf4