Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bc5 6. Nb3 Bb4 7. Bd2 Nf6 8.
Bd3 O-O 9. a3 Be7 10. O-O d6 11. f4 Qc7 12. Nb5 Qb6+ 13. Kh1 a6 14. Nc3 Bd7 15.
Qe2 Nd4 *
Position (FEN): r4rk1/1p1bbppp/pq1ppn2/8/3nPP2/PNNB4/1PPBQ1PP/R4R1K w - - 4 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1719
Best move: Nxd4