gptkb:Lev_Polugaevsky
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gptkb:Polugaevsky_Variation_(Sicilian_Defense)
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gptkb:Alexander_Morozevich
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gptkb:Chigorin_Defense
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gptkb:GM_Ding_Liren
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gptkb:Queen's_Gambit
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gptkb:Alexander_Morozevich
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gptkb:French_Defense
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gptkb:Oleg_Romanishin
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Romanishin Gambit (English Opening)
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gptkb:Vasily_Smyslov
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gptkb:Smyslov_Variation
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gptkb:Oleg_Romanishin
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Romanishin Variation (Nimzo-Indian Defense)
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gptkb:Alexander_Morozevich
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gptkb:Albin_Countergambit
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gptkb:GM_Peter_Leko
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gptkb:Queen's_Gambit_Declined
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gptkb:Vasily_Smyslov
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gptkb:Smyslov_Defense
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gptkb:Geza_Maroczy
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Maroczy Bind (Sicilian Defense)
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gptkb:Alexander_Morozevich
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gptkb:King's_Indian_Defense
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gptkb:GM_Peter_Leko
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gptkb:Petrov_Defense
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gptkb:Michael_Basman
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Grobs Attack
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gptkb:GM_Ding_Liren
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gptkb:English_Opening
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gptkb:GM_Ding_Liren
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gptkb:Sicilian_Defense
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gptkb:Michael_Basman
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gptkb:St._George_Defence
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