I didn't know so well chess theory, the theory of chess openings. And so, of course I knew the theor... - Anatoly Karpov Quotes from quotely.org
I didn't know so well chess theory, the theory of chess openings. And so, of course I knew the theory, but not on the level of the best players, so this was my... this was always my weakness. by Anatoly Karpov

I didn't know so well chess theory, the theory of chess openings. And so, of course I knew the theory, but not on the level of the best players, so this was my... this was always my weakness.

Anatoly Karpov