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Dark Chess variants

From Dennis Merritt, we received the following variants on Darkness Chess, also called Dark Chess.

Variant rules

If you moved your King in check, you receive a warning and are not allowed to make the move. If you are in check, you have three tries to escape. After three failures you lose.
This captures more of the flavor of checkmate and introduces the possibility of exploratory King moves.
In the game display the opponents non-visible pieces are displayed in a lighter shade on the squares where you think they might be. You can freely move about your latest estimates of the opponent's position. Once you discover a piece's position, clearly you will update your estimate to reflect that new knowledge.

Denniss adds:

From a explanation point of view, Dark Chess adds bluff and intrigue to regular Chess.

Webpage made by Hans Bodlaender, based upon an email of Dennis Merritt.

WWW page made: January 15, 2003.