Queen's Gambit Accepted is a chess opening that arises after the moves 1.d4 d5 2.c4 dxc4. In this opening, Black accepts the pawn offered by White with the intention of gaining a temporary material advantage. This choice leads to an open game where White aims to regain the pawn while developing their pieces actively. After accepting the gambit, Black must be cautious, as White can quickly mobilize their pieces for an attack. The opening often leads to dynamic positions, where both players have chances to create threats and counterplay. Understanding the key ideas and tactics is essential for success in this opening.