Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Nyezhmetdinov-Rossolimo_Attack
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. c4 d6 6. Nc3 Bg4 7. Qa4 Qc7 8.
Nd5 Qb7 9. d4 Bd7 10. Nf4 f6 11. dxc5 d5 12. exd5 cxd5 13. Qc2 e6 14. cxd5 exd5
15. Qe2+ Kf7 16. Be3 Re8 17. Qc2 Qb4+ 18. Qc3 *
Position (FEN): 4rbnr/3b1kpp/p4p2/2Pp4/1q3N2/2Q1BN2/PP3PPP/R3K2R b KQ - 7 18
Black to move.
Themes: Pin Middlegame  
Puzzle rating: 1857
Best move: Qxf4