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ECO CODES | |
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(Click on an opening description to see diagram) |
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A41 - A42 |
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A41 |
Queen's Pawn 1. d2d4 d7d6 |
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A41 |
Old Indian: Tartakower (Wade) variation 1. d2d4 d7d6 2.  g1f3
 c8g4
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A41 |
Old Indian defence 1. d2d4 d7d6 2. c2c4 |
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A41 |
Modern defence 1. d2d4 d7d6 2. c2c4 g7g6 3. b1c3
f8g7
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A41 |
Robatsch defence: Rossolimo variation 1. e2e4 g7g6 2. d2d4 f8g7
3.
g1f3
d7d6
4.
c2c4
c8g4
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A42 |
Modern defence: Averbakh system 1. d2d4 d7d6 2. c2c4 g7g6 3. b1c3
f8g7
4.
e2e4
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A42 |
Pterodactyl defence 1. d2d4 d7d6 2. c2c4 g7g6 3. b1c3
f8g7
4.
e2e4
c7c5
5.
g1f3
 d8a5
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A42 |
Modern defence: Averbakh system, Randspringer variation 1. d2d4 d7d6 2. c2c4 g7g6 3. b1c3
f8g7
4.
e2e4
f7f5
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A42 |
Modern defence: Averbakh system, Kotov variation 1. d2d4 d7d6 2. c2c4 g7g6 3. b1c3
f8g7
4.
e2e4
b8c6
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