What is this?

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Avatar of jkpolw

What does the bar and number that appears next to the moves mean? I've highlted in red what I am referring to. Thanks!

Avatar of EthanHuang0

😶

Avatar of AtaChess68
Time spend on the move.
Avatar of jkpolw
AtaChess68 wrote:
Time spend on the move.

Thanks very much @AtaChess68 !