Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Dragon_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. O-O-O a6 10. g4 h5 11. h4 Nxd4 *
Position (FEN): r1bq1rk1/1p2ppb1/p2p1np1/7p/3nP1PP/2N1BP2/PPPQ4/2KR1B1R w - - 0 12
White to move.
Themes:  Opening  
Puzzle rating: 1221
Best move: Bxd4