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ECO D60: Queen's Gambit Declined: Orthodox Defense

ECO D60 is part of volume D, Closed & Semi-Closed Games. The Lichess chess-openings dataset files 3 named lines under it. The shortest is Queen's Gambit Declined: Orthodox Defense: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7. All of them are lines of the Queen's Gambit Declined: Orthodox Defense.

That position has come up in 863,880 Lichess games between players rated 1600 to 2500: White won 48.5%, 6.7% were drawn and Black won 44.9%.

OpeningMovesGamesLength
Queen's Gambit Declined: Orthodox Defense 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 864K 6 moves
Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Bd3 313K 7 moves
Queen's Gambit Declined: Orthodox Defense, Rauzer Variation 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qb3 7,024 7 moves