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Speed: Bullet to Correspondence  Rating: 1000 to 2500

English Opening: King's English Variation, Four Knights Variation, Korchnoi LineBETA

43%53%

White plays a3 to prevent ideas of Bb4xc3, making it slightly harder for Black to develop the dark-squared bishop. This move is not played often because it does not help White develop their own pieces either.

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32% d545%50%18% Bc540%56%13% a540%54%9% d641%54%7% Be745%50%6% e442%55%5% a642%54%5% g647%7%46%2% h645%51%1% b641%54%1% Bd640%56%0% Nd438%59%