Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Alapin_Variation
Moves: 1. e4 c5 2. c3 g6 3. Nf3 Bg7 4. Bd3 Nc6 5. Bc2 d6 6. b3 Nf6 7. Bb2 O-O 8. d4
cxd4 9. cxd4 Bg4 10. h3 Bxf3 11. Qxf3 Qb6 12. O-O Nxd4 13. Qd3 Rac8 *
Position (FEN): 2r2rk1/pp2ppbp/1q1p1np1/8/3nP3/1P1Q3P/PBB2PP1/RN3RK1 w - - 2 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1054
Best move: Bxd4