Can elite GMs who know optimal opening lines many moves deep immediately refute any suboptimal move by an opponent? - Quora

Answer (1 of 4): Elite GMs tend to know every opening they play intimately. If one of their opponents deviates from theory, what will usually happen is that the GM will think “that’s not normal” and then analyze the position and find a refutation if there is one. It’s not guaranteed that they wil

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Can elite GMs who know optimal opening lines many moves deep immediately refute any suboptimal move by an opponent? - Quora

Can elite GMs who know optimal opening lines many moves deep immediately refute any suboptimal move by an opponent? - Quora

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