Exact catalogue record

Queen's Gambit Declined: Been-Koomen VariationD50

Queen's Gambit Declined: Been-Koomen Variation is the source catalogue’s name for the exact position reached by the move order below. It is filed under ECO D50, in volume D (closed and semi-closed queen-pawn openings).

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1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5

Position after 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 — Queen's Gambit Declined: Been-Koomen Variation

ECO code: D50
Opening family: Queen's Gambit Declined
Recorded half-moves: 8
Last numbered move: 4
Side to move: White
Castling rights: White kingside, White queenside, Black kingside, Black queenside
Material: Material is level
FEN: rnbqkb1r/pp3ppp/4pn2/2pp2B1/2PP4/2N5/PP2PPPP/R2QKBNR w KQkq - 0 5

Scope of this record

This page preserves a source name, one exact legal move sequence and its resulting FEN. It does not claim that the sequence is best, common or strategically self-contained. Opening names can cover several move orders; the links below report only parent, continuation and family relationships present in this catalogue.

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Queen's Gambit Declined: Modern Variation (D50)

Main continuations

Other records under Queen's Gambit Declined

These records share the source catalogue’s family label; that relationship alone does not imply the same plans or resulting position.

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