Play Shogi — Free

What is Shogi?

Shogi, often called Japanese Chess in English, is the national strategy game of Japan and one of the deepest board games in the world. Like Western chess and Xiangqi it is a duel between two armies whose single goal is to trap the enemy King, but Shogi has a personality entirely its own. It is played on a 9×9 grid of squares with each side starting with twenty flat, wedge-shaped pieces that all point toward the opponent, so you can tell whose piece is whose at a glance by which way it faces. The two players are called Sente, who moves first and sits at the bottom, and Gote, who replies from the top. On vygam you play Sente against a built-in engine, with every legal move, promotion, drop, check and checkmate handled automatically.

What sets Shogi apart from every other member of the chess family is that captured pieces are never truly gone. When you take an enemy piece it changes sides, joins your hand, and can later be dropped back onto the board as one of your own soldiers. This one rule transforms the game: material is constantly recycled, the board stays busy from the first move to the last, and dull draws are almost unheard of because both players always have fresh attacking resources. Add promotion in the far ranks — where modest foot soldiers suddenly gain the power of a Gold general and Rooks and Bishops become sweeping Dragons and Horses — and you have a game that is famously easy to start yet takes a lifetime to master. The romaji names used here are King, Rook, Bishop, Gold, Silver, Knight, Lance and Pawn.

How to Play Shogi

Each of the eight kinds of piece moves in its own way. Learn these patterns and you know the game:

• The King (K) moves one square in any of the eight directions.
• The Rook (R) moves any number of empty squares straight along a rank or file, exactly like a chess rook.
• The Bishop (B) moves any number of empty squares diagonally, exactly like a chess bishop.
• The Gold general (G) moves one square straight in any direction or one square forward-diagonally — six squares in all — and never promotes.
• The Silver general (S) moves one square straight forward or one square in any of the four diagonals — five squares in all.
• The Knight (N) jumps only forward, to the two squares two ahead and one to the side, and may leap over anything in between.
• The Lance (L) moves any number of empty squares straight forward, but never sideways or back.
• The Pawn (P) moves exactly one square straight forward, and captures the same way — there is no diagonal pawn capture in Shogi.

Promotion. The three ranks farthest from you form the promotion zone. A piece may promote whenever it moves into, within or out of that zone, and promotion is usually your choice. A promoted Rook becomes a Dragon (+R), gaining the King's single diagonal steps on top of its straight sliding; a promoted Bishop becomes a Horse (+B), gaining the King's single orthogonal steps on top of its diagonals; and a promoted Silver, Knight, Lance or Pawn (+S, +N, +L, +P) all begin to move exactly like a Gold general. Promotion becomes mandatory only when a piece would otherwise be stuck forever — a Pawn or Lance reaching the last rank, or a Knight reaching the last two ranks — since those pieces would have no legal move left.

Drops — Shogi's signature move. Every piece you capture flips to your side and waits in your hand. On your turn, instead of moving a piece already on the board, you may drop a hand piece onto any empty square, where it lands unpromoted and immediately becomes yours. Three limits keep drops fair: nifu forbids two of your unpromoted Pawns in the same file, so you can't drop a Pawn into a file that already has one; a Pawn, Lance or Knight may not be dropped where it could never move again (a Pawn or Lance on the last rank, a Knight on the last two); and a Pawn may not be dropped to deliver immediate checkmate, a rule called uchifuzume. A dropped piece may give check, and it may even promote later once it is on the board — the drop itself is just how it re-enters the battle.

Shogi Tips & Strategy

Shogi rewards patient castle-building and sharp, fearless attacks fuelled by the pieces in your hand. These four ideas will lift your play well beyond the beginner stage.

1. Build a castle around your King

   Because attacks in Shogi are relentless — the enemy can always drop fresh pieces near your King — a bare King rarely survives. Spend your early moves tucking the King into a corner behind a wall of Gold and Silver generals, a formation called a castle. Well-known castles such as the Mino or Yagura trade a little time for a lot of safety, and the side whose King is better defended usually wins the middlegame slugfest. Do not attack before your own King has a home.

2. Treat pieces in hand as live ammunition

   Captured pieces are not trophies, they are reserves you can deploy anywhere. A single Gold or Silver dropped next to the enemy King can turn a quiet position into a mating net in one move. Because of this, material you capture is often worth more in your hand than the same piece sitting passively on the board. Count what both players hold, and remember that trading pieces hands your opponent ammunition too — sometimes the strongest move is to keep the tension rather than swap.

3. Fight for promotion in the enemy camp

   The far three ranks are where your army grows teeth. A Pawn, Lance, Knight or Silver that reaches the zone and promotes to a Gold becomes a durable attacker right in front of the enemy King, and a Rook or Bishop that promotes to a Dragon or Horse becomes a monster that attacks in every direction. Aim to break into the enemy's third rank, and be willing to sacrifice a Pawn or two to open the lines your big pieces need to promote.

4. Watch for drop tactics and mate

   Most Shogi games end not by grinding down material but by a sudden mating attack, and drops are the fuel. Before every move, glance at what your opponent holds in hand and ask where they could drop it to threaten your King — a Knight or Gold dropped into your camp is the classic danger. On offence, look for squares next to the enemy King where a dropped piece gives check that cannot be blocked. Just remember the uchifuzume rule: you cannot finish the game with a bare Pawn drop.

Shogi vs Western Chess

If you already play chess, Shogi will feel like a bold cousin who plays by house rules of its own. The aim is the same — checkmate the enemy King — and the Rook and Bishop move identically to their chess counterparts. But the differences run deep. Shogi's board is larger at 9×9, its Pawns push and capture straight ahead with no diagonal attack and no double first step, and there is no Queen; the workhorses of the game are instead the Gold and Silver generals clustered around the King. There is no castling move, yet castle-building by hand is central to strategy, and promotion happens across a whole three-rank zone rather than only on the final rank.

The single biggest gap, of course, is the drop rule. In chess a captured piece is gone for good and the board empties out toward simplified endgames, which is why so many chess games are drawn. Shogi refuses to simplify: every capture arms the other side, the piece count on the board stays high, and the game drives relentlessly toward a decisive mate. This gives Shogi a fierce, attacking rhythm — sacrifices that would be reckless in chess are routine here because the material comes straight back into your hand. Many players enjoy both games precisely because the strategic instincts transfer while the specific tactics feel completely fresh; learning one genuinely deepens your appreciation of the other.

Playing the Computer Opponent

vygam's Shogi opponent is a genuine engine rather than a set of scripted replies. On every turn it searches ahead through the tree of possible moves, scoring each resulting position by material — Rooks and Bishops are prized, the generals valued next, Lances, Knights and Pawns counted too, and pieces in hand weighed alongside pieces on the board — plus a light sense of where soldiers belong. It uses alpha-beta pruning with a strict node limit, so it answers quickly without ever freezing your browser, and it will never make an illegal move, leave its own King in check, break the nifu rule or drop a Pawn for mate.

Three difficulty levels tune the challenge. Easy looks only a short distance ahead, so it plays sensibly but lets tactics slip — ideal for learning the pieces and the drop rule. Medium searches deeper and punishes loose development or an undefended King. Hard looks further still and defends more stubbornly, so beating it takes real planning and a solid castle. You can start a new game, take back your last move, or resign at any time, and your running tally of wins against the computer is saved right in your browser so your record survives between visits.

FAQ

Games like Shogi