/usr/share/games/shogivar/Maka.rul is in shogivar-data 1.55b-1.
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==============
It is believed that Maka-Dai-Dai Shogi (Ultra Great Great Shogi) was
invented by Buddhist monks as an alternative game for play on the 19x19
square 'Go' board, and some of the pieces are named after Buddhist deities
and demons. The oldest surviving record of the moves of the pieces is in
Nishizawa Teijin's SHO SHOGI ZUSHIKI, published in 1694.
While Maka-Dai-Dai Shogi is played on a larger board than Dai-Dai Shogi it
has the same number of pieces per side and has only 50 different types of
piece (as against 64 types in the 17x17 game).
In Maka-Dai-Dai Shogi pieces attain their promoted rank by capture, as is
the case in Dai-Dai and Tai Shogi. The fabulous 'hook moving' pieces of
Dai-Dai Shogi are also present in Maka-Dai-Dai, but together with many of
the other powerful pieces, they start directly behind the 'Pawns' making
for a more dynamic opening game.
Most of the pieces in Maka-Dai-Dai Shogi have promoted forms, even the
'King' which promotes to the almost omnipotent 'Emperor'!
As with the other larger variants, there is no provision for returning
captured pieces into play in Maka-Dai-Dai Shogi.
THE GAME
=========
Maka-Dai-Dai Shogi is played on a board of 19 x 19 squares and each player
has 96 pieces (including 19 pawns).
As in all Shogi games, the pieces are flat and wedge-shaped and are not
distinguished by colour. Although the pieces are of uniform colour the
first player is still conventionally referred to as 'Black' and the second
player as 'White'. Ownership of the pieces is indicated by the direction
in which they face, with a player's pieces always pointing towards the
opponent.
The players make alternate moves, with the object being to capture the
opposing 'King' (or 'Emperor' if the 'King' has been promoted). If a
player has acquired a 'Prince' (by promoting the 'Drunk Elephant') that
piece must also be captured before the game can be won.
On each turn a player can move one piece according to its power of
movement to a vacant square on the board, or to a square occupied by an
enemy piece (in which case the enemy piece is captured and removed from
the game).
In the case of the 'Lion' and pieces with 'Lion' power a second move can
sometimes be made in the same turn.
THE PIECES
===========
The Piece Help screen provides the names, notation symbols, promotion
details, and powers of movement for all of the pieces in the game.
[The Piece Help screen can be reached by clicking on the 'Pieces' button]
JUMPING PIECES
===============
The 'Kylin','Phoenix', 'Donkey','Free Bear' and 'Knight' (and the 'Emperor'
and those pieces with 'Lion' powers) have the power to jump over occupied
squares. As indicated by red circles on the Piece Help screens, the 'Kylin'
can jump to the second square in any orthogonal direction, the 'Phoenix'
may jump to the 2nd square when moving diagonally, the 'Donkey' can jump
to the 2nd square directly forwards, and the 'Free Bear' can jump in the
forward diagonal directions. The 'Knight' has the same move as the Knight
in Western Chess, but only in the forwards direction.
The pieces shown on the 'Piece Help Screen' as having moves of 2, 3 or 5
squares can only move more than one square in the directions indicated if
the intervening squares are unoccupied (ie: they can not jump).
THE LION
=========
The 'Lion' has an unusual and powerful move.
If the 8 squares immediately adjacent to the 'Lion' are called the 'A'
squares (shown as Dark Blue Circles on the Piece Help screen), and the 16
squares two away from the piece are called the 'B' squares (represented as
Light Blue Circles), then the 'Lion' may do anyone of the following things
in a single turn:
- Move directly to any 'A' or 'B' square, jumping an intervening square
if necessary;
- Capture a piece on an 'A' square and continue moving one more square
in any direction from the point of capture, making another capture if
the 2nd square is also occupied by an enemy piece.
- Capture a piece on any 'A' square without moving (this is known as
'igui' and counts as a turn).
- Move to an adjacent square and return to the starting square
(effectively passing the turn). This move can be made by double-
clicking the left mouse button on the Lion.
In Maka-Dai-Dai Shogi there are no restrictions on the capture of Lions (as
there are in Chu Shogi).
On promoting to 'Furious Fiend' the 'Lion' gains the power of the 'Lion
Dog' (ie: it can move up to 3 squares in any orthogonal or diagonal
direction). The 'Furious Fiend' can move as either a 'Lion' or 'Lion
Dog' on any one turn (it can not combine the two powers in the same move).
The 'Buddhist Spirit' (promoted 'Dark Spirit') has the combined powers of
the 'Lion' and 'Free King', and can move as either (but not both) on any
one turn. The 'Buddhist Spirit' is therefore a very mobile and dangerous
piece.
TEACHING KING
===============
In Nishizawa Teijin's SHO SHOGI ZUSHIKI, the 'Teaching King' (promoted
'Deva') is described as having the combined moves of the 'Lion Dog' (up to
3 squares in any orthogonal or diagonal direction) and the 'Free King'.
The moves of the 'Lion Dog' are completely subsumed by the powers of the
'Free King' anyway, so this piece only has one way of moving (ie: as a
'Free King').
Another interpretation of the powers of the 'Teaching King' (mentioned, but
not advocated in the Shogi Association rules leaflet) gives it the combined
move of the 'Free King' or a 3 square move with full 'Lion' powers. This
immensely powerful interpretation is not now considered to be the move
intended in SHO SHOGI ZUSHIKI, but has nevertheless been included as an
alternative for those who may wish to try it. This 2nd version can be
selected from the 'Set-up' menu.
HOOK MOVERS
==============
The pieces with 'hook moving' capabilities are very powerful pieces.
The 'Hook Mover' itself has a Double Rook move, being able to move any
number of squares in any orthogonal direction, immediately followed by a
further move at right angles to the first. The two legs of the 'Hook Mover'
move do not have to be of the same length, and it is not compulsory that
it make the 2nd Rook move. To give some idea of the power of this move it
is worth noting that the 'Hook Mover' on an empty board would be able to
reach any square in one turn! The 'Hook Mover' is not a jumping piece,
and must end its move on making a capture.
The 'Capricorn' has hook moving powers in the diagonal directions (ie: it
is effectively a Double Bishop).
THE PRINCE
============
The 'Drunk Elephant' is potentially a very important piece, as it promotes
to a 'Prince'.
A player who gains a 'Prince' effectively acquires a second 'King' as the
'Prince' must also be captured before the opponent can win the game.
THE EMPEROR
=============
The 'King' on making a capture promotes to an 'Emperor'. The 'Emperor' has
the greatest power of any piece in any of the Shogi variants as it may move
in one turn to almost any square on the board, jumping over any number of
pieces of either side in the process.
The only restriction on the movement of the 'Emperor' is that it may not
capture an enemy piece that is protected by another piece. It is this rule
which prevents the 'Emperor' from simply capturing the opposing 'King' on
its first move.
PROMOTION
==========
The promotion rules in Maka-Dai-Dai Shogi (and its other large cousins) are
very different from those in the smaller variants. In Maka-Dai-Dai there
are no Promotion Zones. A piece is promoted when it captures an enemy
piece. If a piece has a promoted rank and makes a capture, promotion is
compulsory.
A piece that reaches the last rank of the board and does not have the power
to retreat is left in play on the last rank until captured.
As in all the games in the Shogi family, in Maka-Dai-Dai Shogi sets the
promoted rank is shown on the reverse side of the piece, and the piece is
turned over on promotion to reveal the new rank.
CAPTURES
=========
Unlike in Shogi, captured pieces in Maka-Dai-Dai can not be 'dropped' back
into play. A captured piece is removed from play and takes no further part
in the game.
HANDICAP PLAY
===============
Handicaps are often given when players of unequal strength play Shogi in
Japan. The reason that handicap play is common is that the handicap system
in Shogi works far better than that used in Western Chess.
In a handicap game a player offers a handicap of one or more pieces to an
opponent of less strength. While Maka-Dai-Dai does not lend itself to
handicaps as well as Shogi (as there are no 'drops' in Maka-Dai-Dai),
provision for handicap play has nevertheless been included in this program.
The same rules for handicaps as in Shogi have been adopted. Under these
rules, the player offering the handicap plays 'White'and his opponent (as
'Black') removes the handicap pieces as the first move of the game. In
handicap play 'White' therefore makes the first move on the board.
NOTATION
==========
The following notation system is used for recording Maka-Dai-Dai Shogi
games in this program.
The files are designated by numbers (1 to 19), and the ranks by letters
(a to s). The files are numbered from right to left (in the Japanese
fashion), and the ranks from top to bottom (from Black's point of view).
The top right square is therefore 1a.
A move is described by giving:
a) the designation of the piece (eg: Ln for Lion); this designation is
preceded by a '+' if it is at its promoted rank,
b) followed by the method of moving;
'-' for a simple move on the board,
'x' for a capture,
c) then the destination square is recorded,
d) finally if the piece promoted on that turn, this is recorded by
adding '+' after the move, or if promotion was possible but was
refused, the symbol '=' is added.
If more than one piece of the same type can reach the destination square
then the starting square is also given after the piece designation to
avoid confusion.
When a 'Lion','Furious Fiend' or 'Buddhist Spirit' captures by 'igui'
(ie: without moving) the square of the piece being captured is used
instead of the destination square, and this is preceded by the symbol '!'
(eg: a Lion on 8c capturing a piece on 9d would be shown as Lnx!9d).
When a piece makes a double capture with 'Lion' powers both captures are
shown in the order that they were made. (eg: a Lion on 3g capturing a
piece on 3h and then capturing another on 2i, would be represented by
Lnx3hx2i).
NOTE: This system is the official notation system of 'The Shogi
Association'.
DISPLAYING LEGAL MOVES
=========================
If the 'Show Move' option is selected from the Moves Menu, clicking the left
mouse button on a piece during play will show all the legal moves of that
piece:
- Legal moves to vacant squares are represented as White Circles.
- Legal captures are shown as Red Circles.
- Legal moves by a piece with 'Lion' powers to an 'A' square, are shown
as a Dark Blue Circle.
- Legal moves by a piece with 'Lion' powers to a 'B' square, are indicated
by a Light Blue Circle.
- The move of the 'Teaching King' (Version 2) to an adjacent square is
shown as a Purple Circle, with a move to the 2nd square represented by
a Dark Blue Circle, and the 3rd as a Light Blue Circle.
- The 'Emperor's' influence is shown in Blue, with any possible captures
identified in Red."
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