Why cannot black rook on c5 in the bottom timeline capture the king on c5 in the top timeline? Why is the king not in check?

chess position

1 Answer 1


The rook on the center board in the present is blocking the check. Even if it goes to the past, a copy stays on the board where it moved from. The rook on the center board isn't checking the king because it already moved to the past.

  • Oooh! Haha, awesome! Thanks! :D
    – Robert Lee
    Commented Feb 19, 2021 at 21:11

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