Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Delayed_Alapin_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. a3 Nf6 5. Bd3 Be7 6. O-O O-O 7. Bc2 b6 8. d4
Bb7 9. d5 exd5 10. exd5 Na5 11. d6 Bxd6 12. Qxd6 Nc4 13. Qd1 Qc7 14. b3 Ne5 15.
Ne1 Qc6 16. Bf4 Rfe8 17. Nd2 Nd3 18. Ndf3 *
Position (FEN): r3r1k1/pb1p1ppp/1pq2n2/2p5/5B2/PPPn1N2/2B2PPP/R2QNRK1 b - - 8 18
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1709
Best move: Nxf4