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Charles Daniel wrote on 2009-07-10 UTC
Displacement Chess 2 already has extended castle which allows king to make 1-3 spaces towards the king. Additionally it reverses the king and queen for one side. Displacement Chess 2 offers much greater opening variance than the change you proposed.

The 1 space castle allows king to remain near the center but connects the rooks and keeps the rook on the center file.

Adjustments such as this change the game considerably and the effect cannot be fully investigated without a considerable number of play testing.

It seems to me that the goal is to have two sides castle on opposite sides. Just reversing the king and queen for one side will have that effect.

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