Постпросмотр: у Карлсена действительно хорошая память; "Быстрее, выше, сильнее!" - при чём тут шахматы?
Шахматный парадокс от Алексея Дреева...
I was tested similarly in my world championship days, and yes, most Grandmasters can identify thousands of games and positions. It's not trivial, but, as Magnus said, it's our job! But his serious interest in the past (human!) games is also a competitive advantage.

