Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Qe7 5. Be2 Ng4 6. Qxd4 Nc6 7. Qxg4 Nxe5 8.
Nxe5 Qxe5 9. O-O d5 10. Qf3 Be6 11. Re1 Qd6 12. Bf4 Qc6 13. Nc3 O-O-O 14. Bb5
Qb6 15. Be3 Qd6 16. Rac1 a6 17. Ba4 h6 18. Red1 h5 19. Bf4 Qc5 20. Ne2 f6 21.
Bb3 g5 22. Be3 Qd6 23. c4 Bg4 24. Qg3 Bxe2 25. Rxd5 Qe7 26. h3 h4 27. Qh2 Rxd5
28. cxd5 Qd6 29. f4 Bh6 30. Kf2 *
Position (FEN): 2k4r/1pp5/p2q1p1b/3P2p1/5P1p/1B2B2P/PP2bKPQ/2R5 b - - 2 30
Black to move.
Themes:  Middlegame  
Puzzle rating: 1176
Best move: gxf4