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gptkb:English_Opening,_Symmetrical_Variation
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in many games
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|
gptkb:Tartakower_Variation_of_the_Ruy_Lopez_Closed_Anti-Marshall_Defense
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in high-level play
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gptkb:Euwe_Variation_of_the_Ruy_Lopez
|
in high-level play
|
|
gptkb:Scotch_Game:_Main_Line
|
in some lines
|
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gptkb:Ruy_Lopez,_Modern_Steinitz_Defense
|
in high-level play
|
|
gptkb:Smith_Gambit_Declined
|
in some lines
|
|
gptkb:Philidor's_Defense
|
in many positions
|
|
gptkb:Tartakower_Variation_of_the_Two_Knights_Defense
|
in some lines
|
|
gptkb:Scandinavian_Defense
|
in some lines
|
|
gptkb:Tartakower_Variation_of_the_Pirc_Defense
|
in high-level play
|