How to play Shogi(将棋) -Lesson#18- Castles for Swinging Rook against Static Rook

In this lesson, I'll show you castles for Swinging Rook, especially when you're playing against Static Rook.
I call Swinging Rook as "Ranging Rook" in this video, because that is the most common name used by English speakers. However, I change the title to "Swinging Rook" due to my personal preference.
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