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Castles 囲い
Step through how each castle is built, one move at a time. Only the builder's moves are shown — the opponent stands still — so you can see the shape form. In a real game you play these between your opponent's moves, and the order bends to what they do.
Use the arrows, the ← → keys, or swipe the board.
Ranging-rook Anaguma 振り飛車穴熊
furibisha anaguma · Bear in the hole
The Anaguma on the right, after the rook has ranged left.
- Strong
- The same corner fortress: very hard to check once complete.
- Weak
- Slow, and the rook's side of the board has few defenders.
Builds on the — its first moves are the same.
Move order
- Open the bishop's diagonal.
- Space for the rook.
- Rook to f2.
- The lance steps up: the hole.
- King walks right…
- …
- …
- …into the hole.
- Silver seals the lid.
- Right gold up beside it.
- The left gold comes across along the back rank…
- …
- …to c1. Closed.
Why castles matter and how to choose one: the castles lesson · see which castles players here actually reach in the opening explorer.