Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Accelerated_Dragon
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. g3 O-O 8.
Bg2 d6 9. h3 Bd7 10. Qd2 Ne5 11. b3 b5 12. a3 a5 13. f4 b4 14. Nd5 Nxd5 *
Position (FEN): r2q1rk1/3bppbp/3p2p1/p2nn3/1p1NPP2/PP2B1PP/2PQ2B1/R3K2R w KQ - 0 15
White to move.
Themes:  Middlegame  
Puzzle rating: 1409
Best move: exd5