Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. c4 e5 4. Nc3 g6 5. d3 Bg7 6. Be2 Ne7 7. O-O O-O 8. Be3 f5
9. exf5 gxf5 10. h3 f4 11. Bd2 Nbc6 12. Qb3 Nf5 13. Nd5 Nfd4 14. Nxd4 *
Position (FEN): r1bq1rk1/pp4bp/2np4/2pNp3/2PN1p2/1Q1P3P/PP1BBPP1/R4RK1 b - - 0 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 946
Best move: Nxd4