Ding and Nepomniachtchi all-square before final showdown

Ding Liren got a dream position with the black pieces after the opening of Game 13, but one puzzling move and one real inaccuracy allowed Ian Nepomniachtchi right back into the game. In fact it was Ian who had the chances after Ding sacrificed the exchange, but in the end the game ended in a relatively quick draw by repetition. The scores are level going into Saturday's final classical game, when Ding has the white pieces.

Why did Nepomniachtchi not take the rook on a3 on move 53 (thereby presumably winning an exchange) in game 6 of the world chess championship? - Quora

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