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The Chess Variant Pages

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Archchess. Large chess variant from 17th century Italy. (10x10, Cells: 100) [All Comments] [Add Comment or Rating]
Greg Strong wrote on 2004-07-28 UTC

ChessV now supports this game. Since some rules are not known exactly, I had to make some guesses based on information on this page. So here you have it:

Castling: Castling is allowed if neither piece has moved previously. The King always slides 3 squares when castling to either side. The King may not castle into or through Check, but there is no prohibition against castling out of Check.

King's Leap: The King may also make a single 2-space leap horizontally or vertically on its first move. You may not leap into Check, but may leap out of it. Attacks on the square jumped over are irrelevant.

Misc: The special 2-space pawn move restriction mentioned here is implemented. Stalemate and 3-time repetition are considered draws. The 50-move pawn rule is also in effect.