Quantum Chess
Quantum Chess first appeared in Variant Chess Magazine (issue 25, p106).Rules
The normal rules of Chess apply, with the following change: a square is defined as unobserved if it is neither attacked nor defended. A piece on an unobserved quare may move to any empty unobserved square.Notes
This is a pretty wild variant; pawns have the potential to jump straight to the 8th rank (and promote immediately), so keep your back row defended. The high mobility of the pieces in the mid/endgame can lead to Shogi-like mating sequences.
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By Stephen Tavener.
Last revised by Fergus Duniho.
Web page created: 2021-04-14. Web page last updated: 2021-06-30