noun
anaguma castle; badger castle
A highly defensive shogi opening where the king is tucked into a corner, often with a solid formation of golds and silvers. Named after the badger's burrow.
穴熊囲いは、相手の攻めを受け止めやすい堅い囲いだ。
The anaguma castle is a solid formation that makes it easy to withstand the opponent's attacks.
プロの将棋では、穴熊囲いがよく使われる。
In professional shogi, the anaguma castle is often used.
Yagura castle is a balanced formation often used in static rook openings, whereas anaguma is an extreme defensive castle typically used with ranging rook strategies.
From 穴熊 (anaguma, 'badger') + 囲い (gakoi, 'enclosure, castle'), referring to the badger's burrow-like defensive formation in shogi.