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Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3/3...Nf6/4. Bg5/4...Be7

Orthodox variation
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Position in Forsyth-Edwards Notation (FEN)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7
ECO code: D53-D69
Parent: Queen's Gambit Declined

4...Be7 · Orthodox variation

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Black unpins the knight and prepares to castle short.

White's two main responses 5. e3 and 5. Nf3 are very likely to transpose, so the order doesn't particularly matter.

Theory table

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1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7

5
e3 =
Nf3 =

References

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See also

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v · t · e
Chess Opening Theory
1. e4 e5
Open games
3. Bb5
Spanish
3. Bc4
Italian
3. Nc3 Nf6
Four knights
Other
2...Nf6
Russian
2...d6
Philidor
Other
2. f4
King's gambit
2. Nc3
Vienna
Other
1. e4 c5
Sicilian
1. e4 e6
French
1. e4 c6
Caro-Kann
1. e4 other
1. d4 d5
Closed games
1. d4 Nf6
Indian
1. d4 f5
Dutch
1. d4 ...other:
Flank
Unorthodox