Queens Gambit Accepted Alekhine Defense Intermezzo in Chess

In the queens gambit accepted alekhine defense intermezzo, Black uses an “in-between” move (intermezzo) after accepting the queen’s gambit, before White can complete its most forcing plan. A defining feature is that the position has already reached the QGA structure, but Black inserts a tempo-gaining or tactical shot that changes who gets to play the critical move first.