GNU Shogi manual: The moves of the pieces

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Promotion of pieces

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2.1.1 The moves of the pieces

-In sharp contrast to international chess, where only pawns can promote -to higher-ranked pieces, most of the pieces in shogi can promote. The -promoted ranks are discussed in the section on piece moves (see section The moves of the pieces) but are repeated here for reference: - - -

Pawn -

-promotes to gold general (called a `tokin' in this case only). - -

Lance -

-promotes to gold general. - -

Knight -

-promotes to gold general. - -

Silver general -

-promotes to gold general. - -

Gold general -

-does not promote. - -

Bishop -

-promotes to "dragon horse" or just "horse" for short. The horse can -move as a bishop or can move one square in any orthogonal direction. - -

Rook -

-promotes to "dragon king" or just "dragon" for short. The dragon -can move as a rook or can move one square in any diagonal direction. -

King -

-does not promote. +Each player at the beginning of a shogi game has a total of 20 pieces of +eight different types. The moves of the shogi pieces can be divided +into three classes: "stepping" pieces, that only move one square at a +time; "ranging" pieces that move any number of unobstructed squares in +a line, and "jumping" pieces that can jump over obstructing pieces to +reach their destination squares. Most pieces can also promote to +different (usually stronger) pieces under certain circumstances (see the +next section). All pieces capture the same way that they move (even +pawns). The piece moves and promotions are as follows; each piece name +is followed by the standard piece abbreviation: +

+The king (K). The king can move one square in any horizontal, vertical, +or diagonal direction, just like the king in international chess. The +king does not promote.
-The three ranks furthest away from each player constitute his/her -"promotion zone". A player may, but is not required to, promote a -piece after making a move in which the piece begins and/or ends in the -promotion zone. Thus you can promote a piece when moving the piece into -the promotion zone, out of the promotion zone, or entirely within the -promotion zone. Promotion is mandatory in these cases: - +
+The rook (R). The rook can move any number of squares in a horizontal +or vertical direction. The rook is the same as the rook in +international chess (except that it can promote). A rook promotes to a +"dragon king" or "dragon" for short (often just referred to as a +"promoted rook"), which can move as a rook or can move one square in +any diagonal direction. +
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1. You must promote a pawn or a lance after moving it to the last rank. - -
2. You must promote a knight after moving it to either of the last +
3. +The bishop (B). The bishop can move any number of squares in a diagonal +direction. The bishop is the same as the bishop in international chess +(except that it can promote). A bishop promotes to a "dragon horse" +or "horse" for short (often just referred to as a "promoted +bishop"), which can move as a bishop or can move one square in any +horizontal or vertical direction. Note: the horse should not be +confused with a knight (see below), as they are two completely different +pieces. +
  -two ranks. +
4. +The gold general (G). A gold general can move one square in any +horizontal or vertical direction, or one square in a forward diagonal +direction. Gold generals do not promote. +
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+The silver general (S). A silver general can move one square in any +diagonal direction, or one square straight forward. A silver general +promotes to a gold general. +
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+The knight (N). A knight can move one square straight forward followed +by one square to either forward diagonal, jumping over intervening +pieces if any. In other words, a knight moves like its international +chess counterpart, but forward only. A knight promotes to a gold +general. The knight is the only jumping piece, as in chess.
-These forced promotions ensure that a piece cannot be moved to a square -from which it would have no further move. +
+The lance (L). A lance can move any number of squares straight forward. +A lance promotes to a gold general. +
+
+The pawn (P). A pawn can move one square straight forward. The pawn +captures the same way that it moves, in contrast to international chess. +There is also no initial two-space move for pawns and no +en-passant capture. A pawn promotes to a gold general; a +promoted pawn is usually known as a "Tokin".
-Pieces "dropped" onto the board (see section Drops) always drop in the -unpromoted state, even if they drop into the promotion zone. +

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+ +This document was generated +by Michael C. Vanier on July, 7 2004 +using texi2html