Shogi strategy: castles, breakthroughs and the endgame race

The shape of a shogi game

A shogi game has three phases and they are unusually distinct. The opening (joban) is about building a castle and choosing where your rook lives. The middlegame (chuban) is about breaking through. The endgame (shuban) is a pure race in which defence barely exists.

1. Build a castle. Move your king away from the centre and surround it with generals.
2. Choose a rook strategy. Static rook (keep it on the second file) or ranging rook (swing it to the left).
3. Break through with a sacrifice, because captured pieces fuel the attack.
4. Race. Once attacks begin, one tempo decides the game.

Level 1 — Basic: castles, rooks and the first twenty moves

1. Always build a castle

A king left in the centre dies quickly, because drops mean an attack can start anywhere. Two castles cover most beginner needs:

• Mino castle (美濃囲い) — fast, strong against attacks from the side, and the standard partner for a ranging rook.
• Yagura castle (矢倉) — slower and stronger from the front, used with a static rook in double-static-rook games.

2. King and rook on opposite sides

The single most useful principle in shogi. Your attack happens where your rook is, so your king should be as far from it as possible. A king castled next to your own attacking pieces is a king in the firing line.

3. Learn the gold move first

Golds defend; silvers attack. A gold that has gone forward is usually a mistake, and a silver that sits at home is usually wasted.

4. Pieces in hand are worth more than pieces on the board

A gold in hand can appear next to the enemy king. A gold on the board takes four moves to get there. When evaluating a trade, count the tempo, not just the piece.

5. Do not open lines towards your own king

Exchanging rooks or bishops opens files and diagonals for both players, and drops mean those lines can be used immediately. Trade when your king is safe and theirs is not.

Level 2 — Intermediate: breaking through and counting

Sacrifice to open a file

The standard shogi breakthrough is a sacrifice: give a pawn, a silver, sometimes a rook, to destroy the wall in front of the enemy king. It works because whatever they capture, you capture something back — and everything captured can be dropped.

The edge attack

Edge attacks are the most reliable intermediate weapon, because castles are strong in the middle and thin at the side. The formula — pawn push, sacrifice, lance, knight, drop — recurs in almost every game.

Count the attack: attackers versus defenders

Shogi attacks succeed on a simple count. If you have more attacking pieces than they have defenders around the king, the attack works; if not, it fails and you have given away material that will be dropped back at you. Three attackers against two defenders is the usual threshold.

The race: counting mate

Once both sides are attacking, defence usually loses. The decisive question is: how many moves do I need to mate, and how many do they? If you are one move faster, attack and do not defend. If you are one move slower, you must interpose a defensive move — and knowing which one is cheapest is the whole art.

Tsume shogi: the training that actually works

Solving forced-mate problems is the traditional and still the best way to improve. Short problems (three and five moves) train pattern recognition; long ones train reading. Twenty minutes a day beats any amount of opening study.

Level 3 — Advanced: tempo, opening systems and endgame technique

The endgame is a tempo count, not a plan

Advanced shogi endgames are decided by exact counting. Three techniques dominate:

• Necessary checks only. Every check that does not shorten the mate wastes a tempo and often gives the defender a piece.
• Removing the escape square before checking. A mate that fails by one square usually failed because a general was in the wrong place three moves earlier.
• Hisshi (必至) — an unstoppable mate threat that is not itself a check. Setting one up is often stronger than starting a check sequence, because the opponent gets no forced replies.

Opening systems: static versus ranging rook

Shogi's opening theory divides into two families, and choosing one shapes your whole repertoire:

The practical advice for an advancing player: pick one ranging-rook system and learn its standard middlegame thoroughly. Ranging rook is more forgiving because it relies on structure rather than on precise move orders.

Anaguma and the arms race

The Anaguma ("bear in the hole") castle buries the king in the corner behind a full wall. It is the strongest castle in the game and its rise reshaped modern theory — because an opponent who cannot be mated quickly can afford to attack with everything. Much of modern opening theory is about whether you can complete an Anaguma before your opponent breaks through.

Study like a professional

• Tsume shogi daily, at a length you can solve in a few minutes.
• Review your own losses for the moment the attack count turned against you.
• Use an engine for evaluation, not for moves. The useful question is which move changed the evaluation, and why.
• Play handicap games against stronger players — the system exists precisely to teach.

Common mistakes

1. Not castling. In shogi it is fatal, not merely risky.
2. King and rook on the same side. Your own attack becomes a weakness.
3. Attacking with too few pieces. Count attackers against defenders first.
4. Giving away golds. A gold in the enemy hand is the best mating piece in the game.
5. Checking for the sake of it in the endgame, losing the race by a tempo.
6. Nifu. Two pawns on a file loses the game instantly in serious play.
7. Promoting a silver automatically. Sometimes the backward diagonals matter more.

Common questions