Mino castle

The Mino castle (美濃囲い minō gakoi or 本美濃囲い hon minō gakoi) is a castle used in shogi. Mino castle is a very commonly used defensive formation that may be used within both Ranging Rook and Static Rook positions against both Ranging Rook and Static Rook opponents. The castle has several variants and may be the initial springboard for other further castle developments (such as the Silver Crown castle variants and the Right Fortress). Due to its popularity, several methods of attacking the Mino castle have been well studied.