Shogi has a reputation for being complex, but its core rules are straightforward once you see the whole picture. This guide covers every essential rule you need to know — from the basic objective to the special situations that arise in competitive play — in clear, plain English.
By the end of this guide, you will have everything you need to sit down and play a complete game of shogi.
1. The Objective
The goal of shogi is to checkmate the opponent’s King. The King is in checkmate when it is under attack (in check) and has no legal move to escape. The player whose King is checkmated loses the game.
Unlike chess, there is no stalemate in shogi. A player who has no legal moves at all simply loses — this situation is an illegal position and generally doesn’t arise in a properly played game.
2. How Turns Work
Sente (first player) and Gote (second player) alternate turns throughout the game. On each turn, a player must do exactly one of the following:
- Move one piece already on the board
- Drop one piece from their piece reserve onto the board
Passing is not allowed. If you have any legal move available, you must make one.
3. Capturing Pieces
Pieces capture by moving to a square occupied by an opponent’s piece. The captured piece is removed from the board and added to the capturing player’s piece reserve (持ち駒 / mochiGoma). Pieces in the reserve can be used later as drops.
4. The Drop Rule
The drop rule is shogi’s most distinctive feature. On your turn, instead of moving a piece on the board, you may place (drop) any piece from your piece reserve onto any empty square on the board.
There are four restrictions on drops:
- No drop checkmate with a pawn: You cannot checkmate the opponent’s King by dropping a pawn. (Moving a pawn to deliver checkmate is allowed — only drops are restricted.)
- No two pawns on the same file: You cannot drop a pawn on a file that already contains one of your own pawns.
- No dead drops: You cannot drop a piece in a position where it can never move again. For example, a pawn or lance cannot be dropped on the last rank, and a knight cannot be dropped on either of the last two ranks.
- Dropped pieces are not promoted — they enter the board in their base form, even if dropped into the promotion zone.
5. The Promotion Zone
The promotion zone consists of the opponent’s three back rows (rows 1–3 for Sente). When any eligible piece moves into, within, or out of the promotion zone, the player may choose to promote it. Promotion is optional except in cases where the piece would have no legal move if left unpromoted.
Promoted pieces gain new movement abilities. The promoted forms of Rook and Bishop are especially powerful. Gold and King generals cannot promote.
6. Check and Checkmate
A King is in check when it is directly attacked by one or more opponent pieces. When your move would put your opponent’s King in check, you do not need to announce it — the opponent must respond.
A player in check must immediately resolve the check by:
- Moving the King to a safe square
- Capturing the attacking piece
- Blocking the attack with another piece or a drop
If none of these options are available, the King is in checkmate and the game ends.
7. Illegal Moves
In formal shogi play, making an illegal move results in an immediate loss. Common illegal moves include:
- Dropping a pawn to deliver checkmate
- Dropping two pawns on the same file
- Moving into a position that leaves your own King in check
- Dropping a piece where it has no legal future moves
8. Repetition (Sennichite — 千日手)
If the same board position occurs four times with the same player to move, the game is declared a draw by repetition, called sennichite (千日手). In most competitive formats, the game is replayed from the start when sennichite occurs.
There is an important exception: if the repetition is caused by one player continuously giving check (perpetual check), that player loses the game rather than the game being drawn.
9. Both Kings Advance (Nyugyoku — 入玉)
If both kings advance deep into the opponent’s territory and the game cannot be decided by normal means, a special counting rule called nyugyoku (入玉) may apply. Both players count the value of their pieces by a standardized point system. The player with 24 or more points wins; below 24 points, that player loses.
Nyugyoku situations are uncommon in beginner games but worth knowing as you progress.
10. Resigning
In shogi, it is considered respectful and proper to resign (負けました / makemashita) when defeat is inevitable, rather than playing to an actual checkmate. Resignation is a standard and honorable way to end a game at all levels of play.
Summary of Key Rules
- Checkmate the opponent’s King to win
- Captured pieces join your piece reserve and can be dropped as your own
- Promotion is available when moving into or through the opponent’s three back rows
- No drop-pawn checkmate; no two pawns on the same file
- Repetition four times = draw (sennichite); perpetual check = loss for the checking player
Now that you know the rules, the next step is to learn the openings. Continue to Lesson 07: Static Rook vs Ranging Rook.


コメントを残す