Queen's Gambit Declined: Chigorin Defense, Exchange Variation, Costa's Line
In the Queen's Gambit Declined: Chigorin Defense, Exchange Variation, Costa's Line, aim to understand the plans and pawn structures, not just memorize the first moves.
The Queen's Gambit Declined: Chigorin Defense, Exchange Variation, Costa's Line is a chess opening classified under ECO code D07. It is reached after the moves 1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5 4. e3 e5 5. Nc3 Bb4 6. Bd2 Bxc3 7. Bxc3 exd4 8. Ne2: 15 moves in, with Black to play.
It belongs to the Queen's Gambit Declined family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
Club players rarely lose the Queen's Gambit Declined: Chigorin Defense, Exchange Variation, Costa's Line in the opening itself. They lose it a few moves later, when the plan behind the moves runs out: that is what reading your own games in this line shows you.