Doubled Rook, Smallfish Chess Wiki

Doubled Rooks are when the rook are stacked next to each other or above each other. This helps you even more control over a file. For example, a doubled rook can helps you make your opponent's chess piece more into a threat. This is an example: Just to make sure that a player must warn him/herself that a threat may approach while the rooks are stack next to each other (The threat may be a fork).

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