Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-chess-c1e7c190ace2

What does 0-0 mean in chess notation?

Kingside castling.

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  1. Queenside castling
  2. Kingside castling ✔
  3. A draw

Why: Kingside castling is written 0-0, and queenside castling is 0-0-0.

Huh, didn't know that: Kingside castling is written 0-0, and queenside castling is 0-0-0.

The dad joke
Zero zero means the king found a castle!
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References

Answer: Kingside castling. Kingside castling is written 0-0, and queenside castling is 0-0-0.

  1. Chess en.wikipedia.org/wiki/Chess
    0-0 for kingside castling
    Checked 2026-11-07.

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