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ECO CODES | |
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(Click on an opening description to see diagram) |
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D40 - D42 |
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D40 |
QGD: Semi-Tarrasch defence 1. d2d4 d7d5 2. c2c4 e7e6 3.  b1c3
g8f6
4.
g1f3
c7c5
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D40 |
QGD: Semi-Tarrasch, symmetrical variation 1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3
g8f6
4.
g1f3
c7c5
5.
e2e3
b8c6
6.  f1d3
f8d6
7.
0-0
0-0
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D40 |
QGD: Semi-Tarrasch, Levenfish variation 1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3
g8f6
4.
g1f3
c7c5
5.
e2e3
b8c6
6. f1d3
f8d6
7.
0-0
0-0
8.
 d1e2
d8e7
9.
d4c5
d6c5
10.
e3e4
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D40 |
QGD: Semi-Tarrasch defence, Pillsbury variation 1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3
g8f6
4.
g1f3
c7c5
5.
c1g5
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D41 |
QGD: Semi-Tarrasch, 5.cd 1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3
g8f6
4.
g1f3
c7c5
5.
c4d5
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D41 |
QGD: Semi-Tarrasch, Kmoch variation 1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3
g8f6
4.
g1f3
c7c5
5.
c4d5
f6d5
6. e2e4 d5c3
7.
b2c3
c5d4
8.
c3d4
f8b4
9.
c1d2
b4d2
10.
d1d2
0-0
11. f1b5
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D41 |
QGD: Semi-Tarrasch, San Sebastian variation 1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3
g8f6
4.
g1f3
c7c5
5.
c4d5
f6d5
6. e2e4 d5c3
7.
b2c3
c5d4
8.
c3d4
f8b4
9.
c1d2
d8a5
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D41 |
QGD: Semi-Tarrasch with e3 1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3
g8f6
4.
g1f3
c7c5
5.
c4d5
f6d5
6. e2e3 |
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D42 |
QGD: Semi-Tarrasch, 7.Bd3 1. d2d4 d7d5 2. c2c4 e7e6 3. b1c3
g8f6
4.
g1f3
c7c5
5.
c4d5
f6d5
6. e2e3 b8c6
7.
f1d3
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