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gptkb:Neo-Grünfeld_Defense
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fianchettoed kingside bishop
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gptkb:Pirc_Defence
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fianchettoed kingside bishop
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gptkb:Colle_System
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White pawns on d4, e3, c3
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gptkb:Orthodox_Defense
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closed center
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gptkb:Boleslavsky_System
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d6 and e5 pawns for Black
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gptkb:Simagin's_Defense
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closed
|
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gptkb:Dutch_Defence,_Ilyin-Zhenevsky_Variation
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Dutch Defence pawn structure
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gptkb:Sicilian_Defence:_Open
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Open center
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gptkb:Double_Queen's_Pawn_Opening
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closed
|
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gptkb:Pirc_Defense
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flexible center
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gptkb:Stonewall_Attack
|
pawns on d4, e3, f4, c3
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gptkb:Dutch_Defense_(Stonewall_Variation)
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gptkb:Stonewall
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