Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Marshall_Gambit
Moves: 1. e4 e6 2. d4 d5 3. Nc3 c5 4. dxc5 Bxc5 5. exd5 exd5 6. Bb5+ Nc6 7. Nf3 a6 8.
Bxc6+ bxc6 9. O-O Bg4 10. Re1+ Ne7 11. h3 Bh5 12. g4 Bg6 13. Ne5 Qd6 14. Nxg6
Qxg6 15. a3 O-O 16. b4 Bd6 17. Ne2 Rae8 18. Nf4 *
Position (FEN): 4rrk1/4nppp/p1pb2q1/3p4/1P3NP1/P6P/2P2P2/R1BQR1K1 b - - 4 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 2026
Best move: Qf6