Chess-Theory , links, openings, eco codes, analysed games, base

OPENINGS THEORY
- ECO CODES BASE -

- D50 -

[D50-a] - QGD: 4.Bg5
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5

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[D50-b] - QGD: 4.Bg5
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c6

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[D50-c] - QGD: 4.Bg5
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 Bb4

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[D50-d] - QGD:
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5

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[D50-e] - QGD:
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.Nf3

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[D50-f] - QGD: Semi-Tarrasch,
Primitive Pillsbury variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.Nf3 cxd4 6.Qxd4

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[D50-g] - QGD: Semi-Tarrasch,
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.Nf3 cxd4 6.Nxd4

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[D50-h] - QGD: Semi-Tarrasch,
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.Nf3 cxd4 6.Nxd4 e5

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[D50-i] - QGD: Semi-Tarrasch,
Krause variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.Nf3 cxd4 6.Nxd4 e5
7.Ndb5 a6 8.Qa4

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[D50-j] - QGD: Semi-Tarrasch
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5

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[D50-k] - QGD: Canal
(Venice) variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5 Qb6

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[D50-l] - QGD: Canal
(Venice) variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5 Qb6 6.Bxf6
Qxb2 (WC: (with compensation))

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[D50-m] - QGD:
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5 cxd4

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[D50-n] - QGD:
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5 cxd4 6.Qxd4

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[D50-o] - QGD:
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5 cxd4 6.Qxd4
Be7

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[D50-p] - QGD:
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5 cxd4 6.Qxd4
Be7 7.e4

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[D50-q] - QGD:
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5 cxd4 6.Qxd4
Be7 7.e4 Nc6 (DWTH: Development
With Threat))+ (RPIN: relative pin))
(8.Qd2)

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[D50-r] - QGD:
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5 cxd4 6.Qxd4
Be7 7.e4 Nc6 (DWTH: Development
With Threat))+ (RPIN: relative pin))
8.Qd2 Nxd5 +/=

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[D50-s] - QGD:
Been-Koomen variation
1.d4 d5 2.c4 e6 3.Nc3 Nf6
4.Bg5 c5 5.cxd5 cxd4 6.Qxd4
Be7 7.e4 Nc6 (DWTH: Development
With Threat))+ (RPIN: relative pin))
8.Qd2 Nxe4 +/=

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