Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 Nc6 3. Bc4 e6 4. d3 d5 5. exd5 exd5 6. Bb3 Nf6 7. h3 Be7 8. Nf3
O-O 9. O-O b6 10. Be3 Bb7 11. Nbd2 b5 12. Bc2 d4 13. cxd4 cxd4 14. Bf4 Nb4 15.
a3 Nc6 16. Nb3 Nh5 17. Bh2 g6 18. Nfxd4 *
Position (FEN): r2q1rk1/pb2bp1p/2n3p1/1p5n/3N4/PN1P3P/1PB2PPB/R2Q1RK1 b - - 0 18
Black to move.
Themes:  Opening  
Puzzle rating: 914
Best move: Nxd4