Central Rook Fortress (ç¢åÂÂä¸Âé£Âè» yagura nakabisha) is a Double Fortress (Double Static Rook) shogi opening.
This strategy characteristically swings the player's rook to the central file to support an attack there.
Central Rook Fortress should not be confused with Yagura's Central Rook (ç¢åÂÂæµÂä¸Âé£Âè» yagura-ryuu nakabisha) which is an unrelated Central Rook strategy named after professional player Norihiro Yagura.