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Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nc3

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Queen's Gambit Declined
a b c d e f g h
8a8 black rookb8 black knightc8 black bishopd8 black queene8 black kingf8 black bishopg8 black knighth8 black rook8
7a7 black pawnb7 black pawnc7 black pawnd7 black kinge7 black kingf7 black pawng7 black pawnh7 black pawn7
6a6 black kingb6 black kingc6 black kingd6 black kinge6 black pawnf6 black kingg6 black kingh6 black king6
5a5 black kingb5 black kingc5 black kingd5 black pawne5 black kingf5 black kingg5 black kingh5 black king5
4a4 black kingb4 black kingc4 white pawnd4 white pawne4 black kingf4 black kingg4 black kingh4 black king4
3a3 black kingb3 black kingc3 white knightd3 black kinge3 black kingf3 black kingg3 black kingh3 black king3
2a2 white pawnb2 white pawnc2 black kingd2 black kinge2 white pawnf2 white pawng2 white pawnh2 white pawn2
1a1 white rookb1 black kingc1 white bishopd1 white queene1 white kingf1 white bishopg1 white knighth1 white rook1
a b c d e f g h
Position in Forsyth-Edwards Notation (FEN)
Moves: 1. d4 d5 2. c4 e6 3. Nc3

Queen's Gambit Declined

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3.Nc3

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After building a pawn center with their first two moves, White begins the development of their minor pieces with 3.Nc3. On c3, the knight controls the d5 and e4 squares. White would like to play e4 at some point to gain even more presence in the center, and 3.Nc3 facilitates this break.

White's dark-squared bishop will likely go to g5 after Black plays Nf6.

Theory table

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For explanation of theory tables, see theory table and for notation, see algebraic notation..

1. d4 d5 2. c4 e6 3. Nc3

3 4 5 6
Queen's Gambit Declined Semi-Slav ...
Nf6
Bg5
Be7
e3
O-O
Nf3
Nbd7
=
Tarrasch Defence ...
c5
cxd5
exd5
Nf3
Nc6
g3
Nf6
=
Semi-Slav Defence ...
c6
Nf3
Nf6
e3
Nbd7
Bd3
dxc4
=
...
Be7
Nf3
Nf6
Bg5
h6
Bh4
O-O
=
Dutch Stonewall ...
f5
Nf3
Nf6
Bf4
c6
e3
Be7
+=

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References

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