OPENINGS THEORY
- ECO CODES BASE -

- D68 -



[D68-a] - QGD: Orthodox
defence, classical variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7
7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5
10.Bxe7 Qxe7 11.0-0 Nxc3
12.Rxc3 e5 (WID: exd4) =


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[D68-b] - QGD: Orthodox
defence, classical variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7
7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5
10.Bxe7 Qxe7 11.0-0 Nxc3
12.Rxc3 e5 (WID: exd4) = 13.Bb3


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[D68-c] - QGD: Orthodox
defence, classical,
13.Qb1 (Maroczy) variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7
7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5
10.Bxe7 Qxe7 11.0-0 Nxc3
12.Rxc3 e5 (WID: exd4) =
13.Qb1


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«»


[D68-d] - QGD: Orthodox
defence, classical,
13.Qb1 (Maroczy) variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7
7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5
10.Bxe7 Qxe7 11.0-0 Nxc3
12.Rxc3 e5 (WID: exd4) =
13.Qb1 exd4


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«»


[D68-e] - QGD: Orthodox
defence, classical,
13.Qc2 (Vidmar) variantion
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7
7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5
10.Bxe7 Qxe7 11.0-0 Nxc3
12.Rxc3 e5 (WID: exd4) =
13.Qc2


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[D68-f] - QGD: Orthodox
defence, classical,
13.Qc2 (Vidmar) variantion
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7
7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5
10.Bxe7 Qxe7 11.0-0 Nxc3
12.Rxc3 e5 (WID: exd4) =
13.Qc2 exd4


1. «»
«»


[D68-g] - QGD: Orthodox
defence, classical,
13.Qc2 (Vidmar) variantion
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 Be7 5.e3 0-0 6.Nf3 Nbd7
7.Rc1 c6 8.Bd3 dxc4 9.Bxc4 Nd5
10.Bxe7 Qxe7 11.0-0 Nxc3
12.Rxc3 e5 (WID: e4xd4) =
13.Qc2 exd4 14.exd4


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«»

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