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Speed: Bullet to Correspondence  Rating: 1000 to 2500

Petrov's Defense: Classical Attack, Marshall Variation

45%7%48%
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Train with puzzlesБаза дебютов
79% O-O45%7%49%10% c445%6%48%3% h347%7%47%2% Nbd251%7%42%2% Nc346%6%49%2% Qe256%39%1% Bxe458%37%1% c352%43%0% Be352%43%0% Bg575%0% Ne555%41%0% Kf161%34%