Pavlovic: The Modernized Petrov’s Defense Ermäßigter Steuersatz (7%) The average chess player spends
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Pavlovic: The Modernized Petrov’s Defense Ermäßigter Steuersatz (7%) The average chess player spends The average chess player spends too much time studying opening theory you will get a textbook and exercise book in which only French middlegames are treated