ECO D50

Queen's Gambit Declined: Been-Koomen Variation

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Moves

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Start with the Queen's Gambit

The Queen's Gambit Declined: Been-Koomen Variation begins with the Queen's Gambit, which has an annotated AnkiChess course: flashcards you play out on the board, each review scheduled just before you'd forget it.

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More Queen's Gambit Declined lines

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