Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 d6 2. Bf4 Nd7 3. Nf3 g6 4. Nc3 Bg7 5. Qd2 c6 6. O-O-O e5 7. dxe5 dxe5 8.
Bg3 Qe7 9. e4 *
Position (FEN): r1b1k1nr/pp1nqpbp/2p3p1/4p3/4P3/2N2NB1/PPPQ1PPP/2KR1B1R b kq - 0 9
Black to move.
Themes: Pin Opening  
Puzzle rating: 1413
Best move: Bh6