Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Albin_Countergambit
Moves: 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Bg5 *
Position (FEN): rnbqkbnr/ppp2ppp/8/4P1B1/2Pp4/8/PP2PPPP/RN1QKBNR b KQkq - 1 4
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1023
Best move: Qxg5