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-\NeedsTeXFormat{LaTeX2e}[1994/12/01]
-\ProvidesPackage{chessmg}
- [1995/08/23 v1.3 Version only for LaTeX2e (MG)]
-\RequirePackage{ifthen}
-%
-% chess.sty
-% ---------
-% Style file for writing about chess games
-% Author : Piet Tutelaers (internet: rcpt@urc.tue.nl)
-% Version: 1.3 (Aug. 1995) M. Goossens (goossens@cern.ch)
-% - Declare languages via LaTeX2e options
-% - Style will now only work with LaTeX2e
-% Version: 1.2 (Febr. 1992)
-% Improvements over version 1.1
-% - added `\v{S}ahovski Informator' symbols
-% -`en passant capture' bug fixed (reported by Jonathan Mestel)
-% -change {--} into \hbox{--} to prevent hyphenation within move
-% -\move's lined up on last row (or digit in case of castling)
-% -handling of promotion improved
-% * Black promotion problem solved (plain TeX)
-% * comment allowed also with promotion
-% * if no promotion piece is provided a default Q(ueen) is supposed
-% Thanks to: Jan Jaap Spreij (puls@cs.rug.nl)
-% -improved interface to plain TeX
-% -language support using the babel package from Johannes Braams
-% (currently support for english, dutch, german and french but you
-% can add an extra language `foreign' by:
-% 1. creating `foreign.sty' for cooperating with `babel'
-% 2. search for FOREIGN and follow the instructions in the comments)
-% - \begin{nochess} ... \end{nochess}
-% -chessfig10 renamed to chessf10 (service to MSDOS users)
-% Version: 1.1 (17 Nov 1990)
-% Improvements over version 1.0:
-% -TeX code cleaned up (thanks to TeX-wizzard Victor Eijkhout)
-% -moving a King does not generate a castling move when this
-% King already moved
-% -renamed internal macro `\\' because LaTeX uses that
-% -better hooks for foreign languages (look for lines marked with
-% %%FOREIGN%%)
-% Torture test:
-% If you change something in the chess.sty style check if everything
-% else is still working with torture-test.ltx (LaTeX) or
-% torture-test.tex (plain TeX).
-% Known problems:
-% -The analysis mode can not be used within arguments of macros
-% not: \centerline{|21.N5*f3|} but: |\centerline{21.N5*f3}|
-% Version: 1.0 (5 Jan 1990)
-%
-
-%
-% Macro specific initialisations
-%
-\gdef\line#1{\hbox to \textwidth{#1}}
-
-%
-% Default language is English
-%
-
-\def\DWP{\define@White@pieces{K}{Q}{R}{B}{N}{P}}
-\def\DBP{\define@Black@pieces{k}{q}{r}{b}{n}{p}}
-\def\LPC{\let@pieces{K}{Q}{R}{B}{N}}
-\DeclareOption{dutch}{\def\DWP{\define@White@pieces{K}{D}{T}{L}{P}{I}}
- \def\DBP{\define@Black@pieces{k}{d}{t}{l}{p}{i}}
- \def\LPC{\let@pieces{K}{D}{T}{L}{P}}}
-\DeclareOption{german}{\def\DWP{\define@White@pieces{K}{D}{T}{L}{S}{B}}
- \def\DBP{\define@Black@pieces{k}{d}{t}{l}{s}{b}}
- \def\LPC{\let@pieces{K}{D}{T}{L}{S}}}
-\DeclareOption{french}{\def\DWP{\define@White@pieces{R}{D}{T}{F}{C}{P}}
- \def\DBP{\define@Black@pieces{r}{d}{t}{f}{c}{p}}
- \def\LPC{\let@pieces{R}{D}{T}{F}{C}}}
-% Fill in your language and the uppercase letters for KING, QUEEN, etc.
-% \ifcurrentlanguage{FOREIGN}{\let@pieces{KING}{QUEEN}{ROOK}{BISHOP}{KNIGHT}}%
-% Your language will be activated by FOREIGN.sty.
-\ProcessOptions
-
-\def\@set[#1#2](#3){%arguments: [a-h1-8](<letter>)
- \expandafter\xdef\csname#1#2\endcsname{#3}}
-
-\def\@get#1[#2#3]{%arguments:\cs[a-h1-8]
- \edef#1{\csname#2#3\endcsname}}
-
-\font\Chess=chess20
-
-\newcount\@c % column
-\newcount\@r % row
-\newcount\@sum % row+column
-
-\def\@col{\ifcase\@c\or a\or b\or c\or d\or e\or f\or g\or h\fi}
-
-\def\@showchar{
- \@get\piece[\@col\the\@r]
- \if\piece E \ifodd\@sum 0\else Z\fi\else
- \if\piece P \ifodd\@sum P\else O\fi\else
- \if\piece p \ifodd\@sum p\else o\fi\else
- \if\piece R \ifodd\@sum R\else S\fi\else
- \if\piece B \ifodd\@sum B\else A\fi\else
- \if\piece N \ifodd\@sum N\else M\fi\else
- \if\piece r \ifodd\@sum r\else s\fi\else
- \if\piece b \ifodd\@sum b\else a\fi\else
- \if\piece n \ifodd\@sum n\else m\fi\else
- \if\piece K \ifodd\@sum K\else J\fi\else
- \if\piece Q \ifodd\@sum Q\else L\fi\else
- \if\piece k \ifodd\@sum k\else j\fi\else
- \if\piece q \ifodd\@sum q\else l\fi\else
- \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi}
-
-\def\@showrow#1{
- \@r=#1\@c=1
- \@sum=\@r\advance\@sum by\@c
- \loop
- \@showchar
- \ifnum\@c<8 \advance\@c by1\advance\@sum by1
- \repeat
-}
-
-\def\showboard{
-\vbox{\offinterlineskip
- \hrule height1pt
- \hbox{\vrule width1pt\Chess
- \vbox{\hbox{\@showrow8}
- \hbox{\@showrow7}
- \hbox{\@showrow6}
- \hbox{\@showrow5}
- \hbox{\@showrow4}
- \hbox{\@showrow3}
- \hbox{\@showrow2}
- \hbox{\@showrow1}}%
- \vrule width1pt}
- \hrule height1pt}
-}
-
-% inner loop needs extra { ... }
-
-\def\@emptyboard{
- \@r=1
- \loop
- {\@c=1
- \loop
- \@set[\@col\the\@r](E)
- \ifnum\@c<8 \advance\@c by1
- \repeat}
- \ifnum\@r<8 \advance\@r by 1
- \repeat
-}
-
-\def\@initboard{
-% empty squares
- \@r=3
- \loop
- {\@c=1
- \loop
- \@set[\@col\the\@r](E)
- \ifnum\@c<8 \advance\@c by1
- \repeat}
- \ifnum\@r<6 \advance\@r by 1
- \repeat
-% pawns
- \@c=1
- \loop
- \@set[\@col2](P)\@set[\@col7](p)
- \ifnum\@c<8 \advance\@c by1
- \repeat
-% pieces
- \@set[a1](R)\@set[h1](R)
- \@set[a8](r)\@set[h8](r)
- \@set[b1](N)\@set[g1](N)
- \@set[b8](n)\@set[g8](n)
- \@set[c1](B)\@set[f1](B)
- \@set[c8](b)\@set[f8](b)
- \@set[d1](Q)\@set[e1](K)
- \@set[d8](q)\@set[e8](k)
-}
-
-%
-% The next part defines a user friendly notation for chess moves.
-% Some examples: |21. Nf3-e5, Ke8*f8 22. 0-0-0+, Bh8*a1|
-% : |21.: Ke8*f8 22. Bh8*a1, 0-0|
-% : |21 Nfe5 K*f8 22 0-0-0! B*a1|
-% : |21: K*f8 22 B*a1 0-0|
-%
-
-\font\Fig=chessf10
-
-\gdef\@king{{\Fig K}}
-\gdef\@queen{{\Fig Q}}
-\gdef\@rook{{\Fig R}}
-\gdef\@bishop{{\Fig B}}
-\gdef\@knight{{\Fig N}}
-\gdef\@dash{\hbox{--}}
-\gdef\@capt{$\times$}
-\gdef\@dots{~$\ldots$,}
-\gdef\@dot{\char46 }
-
-%
-% Make character codes for pieces depending on current language.
-% (I cann't derive the Black values from the White using `\lowercase'!)
-%
-
-\def\define@White@pieces#1#2#3#4#5#6{% define character codes for White pieces
- \chardef\king@=`#1 \def\uc@king{#1}
- \chardef\queen@=`#2 \def\uc@queen{#2}
- \chardef\rook@=`#3 \def\uc@rook{#3}
- \chardef\bishop@=`#4\def\uc@bishop{#4}
- \chardef\knight@=`#5\def\uc@knight{#5}
- \chardef\pawn@=`#6 \def\uc@pawn{#6}}
-\def\define@Black@pieces#1#2#3#4#5#6{% and now the Black pieces
- \def\lc@king{#1}\def\lc@queen{#2}\def\lc@rook{#3}
- \def\lc@bishop{#4}\def\lc@knight{#5}\def\lc@pawn{#6}}
-\def\activate@pieces{% make them active
- \catcode\king@=\active\catcode\queen@=\active\catcode\rook@=\active%
- \catcode\bishop@=\active\catcode\knight@=\active}
-\def\deactivate@pieces{% make them inactive
- \catcode\king@=11\catcode\queen@=11\catcode\rook@=11%
- \catcode\bishop@=11\catcode\knight@=11}
-\def\ifcurrentlanguage#1#2{%if language defined then compare with \language
- \expandafter\ifx\csname l@#1\endcsname\relax%
- \else\ifnum\language=\expandafter\csname l@#1\endcsname\relax#2\fi\fi}
-\def\select@pieces{% select pieces depending on language
- \DWP\DBP
-% Define here your language and choose an unique set of uppercase letters
-% for the White pieces (KING, QUEEN, etc.) and the corresponding lowercase
-% letters for the Black pieces (king, queen, etc.).
-% \ifcurrentlanguage{FOREIGN}{%
-% \define@White@pieces{KING}{QUEEN}{ROOK}{BISHOP}{KNIGHT}{PAWN}
-% \define@Black@pieces{king}{queen}{rook}{bishop}{knight}{pawn}}
- }
-\def\let@pieces#1#2#3#4#5{% let character codes be macros
- \let#1=\@king\let#2=\@queen\let#3=\@rook%
- \let#4=\@bishop\let#5=\@knight}
-
-\catcode`|=\active\select@pieces
-{\catcode`:=\active\catcode`.=\active\catcode`*=\active\catcode`-=\active
- \activate@pieces
- \gdef\trigger@pieces{
- \catcode`:=\active\catcode`.=\active\catcode`*=\active\catcode`-=\active
- \activate@pieces\LPC
- % I would like to say ``\let\king@=\@king'' but how?
- \let-=\@dash\let*=\@capt\let:=\@dots\let.=\@dot}%
- \gdef\@notation{\begingroup\let|=\endgroup\trigger@pieces}%
-%
-% Provide a `nochess' environment in which the `|' character becomes
-% inactive for situations where the `|' is already in use (like in
-% the LaTeX `tabular' environment for example).
-%
- \gdef\nochess{\begingroup\let|=\relax\catcode`\|=12\relax
- \catcode`:=12 \catcode`.=12 \catcode`*=12 \catcode`-=12
- \deactivate@pieces\let\endnochess=\endgroup}
- \gdef\chess{\begingroup\let\endchess=\endgroup\trigger@pieces}
-}
-\let|=\@notation
-
-%
-% Next part provides a ply (half move) generator
-%
-
-\newif\ifWhite \newif\ifFigure \newif\ifcapture
-
-%
-% next newif's needed for castling
-%
-\newif\ifKnotmoved \newif\ifknotmoved
-\newif\ifcastling \newif\ifoo
-
-%
-% Globals for special pawn moves (en passant capture and promotion)
-%
-
-\newif\ifenpassant \newif\ifpromotion
-
-\def\@color#1{ % Color of a piece 0: none, -1: black, 1: white
- \if #1E0\else
- \ifnum`#1=\uccode`#11\else-1\fi\fi}
-
-%
-% No checking is done for validity of moves, only legal moves behave well!!
-%
-
-\def\@ply#1#2#3#4#5 {% Syntax: [a-h][1-8][a-h][1-8]{Q|R|B|N}{Comment}
- \@get\piece[#1#2]\@get\capture[#3#4]\Figuretrue
- \if\capture E\capturefalse\else\capturetrue\fi
- \ifWhite
- \if\piece P\Figurefalse
- \if#46
- \if\eprow#3\capturetrue\enpassanttrue\fi
- \xdef\eprow{x}%
- \else
- \xdef\eprow{x}%
- \if#22
- \if#44\xdef\eprow{#3}\fi
- \else
- \if#48\promotiontrue\fi
- \fi
- \fi
- \else\xdef\eprow{x}
- \if\piece K% check for possible castling
- \ifKnotmoved
- \if#3g\if#41\castlingtrue\ootrue\fi
- \else\if#3c\if#41\castlingtrue\oofalse\fi\fi
- \fi
- \global\Knotmovedfalse
- \fi
- \fi
- \fi
- \ifcastling
- \@set[#1#2](E)\@set[#3#4](K)%
- \ifoo 0\@dash0\rlap{#5}\@set[f1](R)\@set[h1](E)%
- \else 0\@dash0\@dash0\rlap{#5}\@set[d1](R)\@set[a1](E)\fi
- \castlingfalse
- \else
- \ifFigure{\Fig\piece}\fi
- #1#2\ifcapture\@capt\else\@dash\fi#3#4%
- \rlap{\ifpromotion\expandafter\promovendus#5XYZ\else#5\fi}%
- \@set[#1#2](E)%
- \ifpromotion\@set[#3#4](\PROM)\else\@set[#3#4](\piece)\fi
- \ifenpassant\@set[#3#2](E)\enpassantfalse\fi
- \fi
- \global\Whitefalse
- \else % ``same'' for Black
- \if\piece p\Figurefalse
- \if#43
- \if\eprow#3\capturetrue\enpassanttrue\fi
- \xdef\eprow{x}%
- \else
- \xdef\eprow{x}%
- \if#27
- \if#45\xdef\eprow{#3}\fi
- \else
- \if#41\promotiontrue\fi
- \fi
- \fi
- \else\xdef\eprow{x}
- \if\piece k
- \ifknotmoved
- \if#3g\if#48\castlingtrue\ootrue\fi
- \else\if#3c\if#48\castlingtrue\oofalse\fi\fi
- \fi
- \global\knotmovedfalse
- \fi
- \fi
- \fi
- \ifcastling
- \@set[#1#2](E)\@set[#3#4](k)%
- \ifoo 0\@dash0\rlap{#5}\@set[f8](r)\@set[h8](E)%
- \else 0\@dash0\@dash0\rlap{#5}\@set[d8](r)\@set[a8](E)\fi%
- \castlingfalse
- \else
- \ifFigure{\Fig\if\piece rR\else\if\piece bB\else\if\piece nN\else
- \if\piece qQ\else K\fi\fi\fi\fi}\fi
- #1#2\ifcapture\@capt\else\@dash\fi#3#4%
- \rlap{\ifpromotion\expandafter\promovendus#5XYZ\else#5\fi}%
- \@set[#1#2](E)%
- \ifpromotion\@set[#3#4](\prom)\else\@set[#3#4](\piece)\fi
- \ifenpassant\@set[#3#2](E)\enpassantfalse\fi
- \fi
- \global\Whitetrue
- \fi}
-
-%
-% Promovendus: treat first char of argument as promotion piece if queen,
-% rook, knight or bishop; otherwise consider it as comment and take queen
-% as default promotion. Leave in \PROM White promoting piece (Q|R|B|N)
-% and in \prom Black's version (q|r|b|n).
-%
-
-\def\promovendus#1#2Z{%
- \if#1X\def\C{}\gdef\PROM{Q}\gdef\prom{q}%
- \else
- \ifnum`#1=\queen@ \gdef\PROM{Q}\gdef\prom{q}\def\C{\@comment#2}\else
- \ifnum`#1=\rook@ \gdef\PROM{R}\gdef\prom{r}\def\C{\@comment#2}\else
- \ifnum`#1=\bishop@\gdef\PROM{B}\gdef\prom{b}\def\C{\@comment#2}\else
- \ifnum`#1=\knight@\gdef\PROM{N}\gdef\prom{n}\def\C{\@comment#2}\else
- \gdef\PROM{Q}\gdef\prom{q}\def\C{\comment#1#2}%
- \fi\fi\fi\fi\fi%
- {\Fig\PROM}{\C}}
-\def\@comment#1XY{#1}
-
-\newcount\movecount \movecount=0
-
-\def\showmove#1#2{\par
- \line{\strut\hbox to1cm{\hfil\the\movecount.}%
- \hbox to2.8cm{\hfil#1}\hbox to2.8cm{\hfil#2}\hfil}\par}
-
-\def\move#1 #2 {
- \advance\movecount by 1
- \showmove{\@ply#1 }{\@ply#2 }}
-
-\def\ply#1 {
- \ifWhite
- \advance\movecount by 1
- \showmove{\@ply#1 }{}
- \else
- \showmove{$\ldots$}{\@ply#1 }
- \fi}
-
-\def\newgame{\vskip0pt\movecount=0 \@initboard
- \Whitetrue\castlingfalse\xdef\eprow{x}
- \Knotmovedtrue\knotmovedtrue
- \promotionfalse\enpassantfalse}
-
-\def\@dolist{\afterassignment\@dodolist\let\@@next= } % Answer 11.5 TeXbook
-\def\@dodolist{\ifx\@@next\@endlist \let\@@next\relax % adapted to generate
- \else \@nextitem\let\@@next\@dolist \fi % chess diagrams
- \@@next}
-
-\def\@endlist{\@endlist}
-
-\def\@nextitem{%
- \if\@@next\space \@set[\@col\the\@r](E)\else
- \if\@@next * \@set[\@col\the\@r](E)\else
- \if\@@next\uc@pawn \@set[\@col\the\@r](P)\else
- \if\@@next\lc@pawn \@set[\@col\the\@r](p)\else
- \if\@@next\uc@rook \@set[\@col\the\@r](R)\else
- \if\@@next\lc@rook \@set[\@col\the\@r](r)\else
- \if\@@next\uc@bishop \@set[\@col\the\@r](B)\else
- \if\@@next\lc@bishop \@set[\@col\the\@r](b)\else
- \if\@@next\uc@knight \@set[\@col\the\@r](N)\else
- \if\@@next\lc@knight \@set[\@col\the\@r](n)\else
- \if\@@next\uc@queen \@set[\@col\the\@r](Q)\else
- \if\@@next\lc@queen \@set[\@col\the\@r](q)\else
- \if\@@next\uc@king \@set[\@col\the\@r](K)\else
- \if\@@next\lc@king \@set[\@col\the\@r](k)\else
- \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi
- \advance\@c by1}
-
-\def\@initrow#1#2{\@r=#1\@c=1\@dolist#2\@endlist}
-
-%
-% For setting up a position
-%
-\def\board#1#2#3#4#5#6#7#8{
- \@initrow8{#1}
- \@initrow7{#2}
- \@initrow6{#3}
- \@initrow5{#4}
- \@initrow4{#5}
- \@initrow3{#6}
- \@initrow2{#7}
- \@initrow1{#8}}
-
-%
-% Next macros for defining chess position (thanks to Victor Eijkhout)
-%
-\def\White(#1){\def\match{xxx}\xWhite#1,xxx,}
-\def\xWhite#1,{\def\temp{#1}
- \ifx\temp\match \else \WhitePieceOrPawn#1XY \expandafter\xWhite \fi}
-\def\WhitePieceOrPawn#1#2#3#4Y{%
- \if#3X \@set[#1#2](P)
- \else\ifnum`#1=\king@ \@set[#2#3](K)\else % King
- \ifnum`#1=\queen@ \@set[#2#3](Q)\else % Queen
- \ifnum`#1=\rook@ \@set[#2#3](R)\else % Rook
- \ifnum`#1=\bishop@\@set[#2#3](B)\else % Bishop
- \ifnum`#1=\knight@\@set[#2#3](N)\else % kNight
- \fi\fi\fi\fi\fi
- \fi}
-
-\def\Black(#1){\def\match{xxx}\xBlack#1,xxx,}
-\def\xBlack#1,{\def\temp{#1}
- \ifx\temp\match \else \BlackPieceOrPawn#1XY \expandafter\xBlack \fi}
-\def\BlackPieceOrPawn#1#2#3#4Y{
- \if#3X\@set[#1#2](p)
- \else\ifnum`#1=\king@ \@set[#2#3](k)\else % King
- \ifnum`#1=\queen@ \@set[#2#3](q)\else % Queen
- \ifnum`#1=\rook@ \@set[#2#3](r)\else % Rook
- \ifnum`#1=\bishop@\@set[#2#3](b)\else % Bishop
- \ifnum`#1=\knight@\@set[#2#3](n)\else % kNight
- \fi\fi\fi\fi\fi
- \fi}
-
-\def\position{\begingroup%
- \@emptyboard\movecount=0\xdef\eprow{x}
- \global\Whitetrue\global\castlingfalse
- \global\Knotmovedtrue\global\knotmovedtrue
- \global\promotionfalse\global\enpassantfalse}
-\def\endposition{\endgroup}
-
-% And now we define most symbols that are used in `\v{S}ahovski Informator'
-% (Chess Informant). For a complete list see Informant#51 (1991) pp 10-12.
-% If you add symbols realize that the macros should be usable by plain TeX
-% and LaTeX and that the (La)TeX names should be suggestive and clear!
-% But don't use uppercase letters or existing names (center)!
-% Thanks go to John Saba (saba@ccit.arizona.edu) and Henry Thomas
-% (hthomas@irisa.fr) for their help in defining next symbols.
-\font\symbolten=cmsy10 \font\smrm=cmr6 \font\symbolsix=cmsy6
-\def\wbetter{\mbox{\baselineskip0pt$\vcenter{\vbox{\hbox{+}\hbox{=}}}$}}
-\def\bbetter{\mbox{\baselineskip0pt
- $\vcenter{\vbox{\hbox{=}\kern-.3ex\hbox{+}}}$}}
-\def\wupperhand{\mbox{$\pm$}}
-\def\bupperhand{\mbox{$\mp$}}
-\def\wdecisive{\mbox{$+\hbox{}-$}}
-\def\bdecisive{\mbox{$-\hbox{}+$}}
-\def\equal{=}
-\def\unclear{\mbox{$\infty$}}
-\def\compensation{\mbox{\baselineskip0pt$\vcenter{\vbox{%
- \hbox{\kern.056em\vbox{\hrule width0.89em\kern0.35ex\hrule width0.89em}}
- \kern.2ex\hbox{$\infty$}}}$}}
-% next symbol should be build using METAFONT
-\def\devadvantage{{\symbolten\char'015}\kern-4.8pt
- \vrule width 2.4pt height6pt depth-5.6pt
- \vrule width .4pt height8pt depth-5.6pt\kern2.4pt}
-\def\moreroom{{\symbolten\char'015}}
-\def\withattack{$\rightarrow$}
-\def\withinit{$\uparrow$}
-\def\counterplay{\hbox{\baselineskip0pt%
- $\vcenter{\vbox{\hbox{$\leftarrow$}\hbox{$\rightarrow$}}}$}}
-\def\zugzwang{$\odot$}
-\def\mate{\kern.4pt\mbox{%
- \vrule width2ex height1.18ex depth-1.1ex\kern-2ex
- \vrule width2ex height.52ex depth-.44ex\kern-1.381ex
- \vrule width.08ex height1.8ex depth.2ex\kern0.615ex
- \vrule width.08ex height1.8ex depth.2ex\kern0.406ex}\kern.4pt}
-\def\withidea{$\triangle$}
-\def\onlymove{$\Box$}
-\def\betteris{\mbox{\baselineskip0pt
- $\vcenter{\vbox{\hbox{$\frown$}\kern-0.35ex\hrule width0.95em}}$}}
-\def\file{$\Leftrightarrow$}
-% next symbol should be build using METAFONT
-\def\diagonal{$\nearrow$}
-\def\centre{$\Box$\kern-.6em\raise.54ex\hbox{\smrm\char'053}}
-\def\kside{$\gg$}
-\def\qside{$\ll$}
-\def\weakpt{$\times$}
-\def\ending{$\perp$}
-% John Saba's method:
-\def\blackbox{\vrule height .8ex width 1.2ex depth 0ex}
-\def\whitebox{\vbox{\hrule height .1pt\hbox{\vrule width .1pt\kern.6ex
- \vbox{\kern.8ex}\kern.6ex\vrule width .1pt}\hrule height .1pt}}
-\def\bishoppair{\whitebox\kern-2pt\raise1.8pt\hbox{\whitebox}}
-\def\opposbishops{\whitebox\kern-2pt\raise1.8pt\hbox{\blackbox}}
-\def\samebishops{\blackbox\kern-2pt\raise1.8pt\hbox{\blackbox}}
-% My method
-%\def\bishoppair{\setbox0=\hbox{%
-% \vrule width1.4ex height1ex depth-.92ex\kern-1.4ex
-% \vrule width1.4ex height.08ex depth0pt\kern-1.4ex
-% \vrule width.08ex height1ex depth0ex\kern1.24ex
-% \vrule width.08ex height1ex depth0ex}%
-% \kern.4pt\mbox{\copy0\kern-.6ex\raise0.56ex\box0}\kern.4pt}
-%\def\opposbishops{\kern.4pt\mbox{%
-% \vrule width1.4ex height1ex depth-.92ex\kern-1.4ex
-% \vrule width1.4ex height.08ex depth0pt\kern-1.4ex
-% \vrule width.08ex height1ex depth0ex\kern1.24ex
-% \vrule width.08ex height1ex depth0ex\kern-.6ex
-% \vrule width1.4ex height1.56ex depth-0.56ex}\kern.4pt }
-%\def\samebishops{\kern.4pt\mbox{%
-% \vrule width1.4ex height1ex depth0ex\kern-.6ex
-% \vrule width1.4ex height1.56ex depth-0.56ex}\kern.4pt}
-\def\unitedpawns{$\circ\kern-.05em\circ$}
-\def\seppawns{$\circ\kern-.3em\cdot\kern-.35em\cdot\kern-.1em\circ$}
-\def\doublepawns{\mbox{\baselineskip0pt
- $\vcenter{\vbox{\hbox{$\circ$}\vskip.8pt\hbox{$\circ$}}}$}}
-% Next symbol still not perfect ...
-\def\passedpawn{\mbox{\baselineskip0pt
- $\vcenter{\vbox{\hbox{\kern0.14em\symbolsix\char'042}\hbox{$\circ$}}}$}}
-\def\morepawns{$>$}
-\def\timelimit{$\oplus$}
-\def\novelty{{\sc N}}
-\def\comment{{\sc RR}}
-\def\various{{\sc R}}
-\def\without{\kern.4pt\mbox{%
- \vrule width 1ex height.08ex depth0ex\kern-0.08ex
- \vrule width0.08ex height1.5ex depth0ex}\kern.4pt}
-\def\with{\kern.4pt\mbox{%
- \vrule width 0.08ex height1.5ex depth0ex\kern-0.08ex
- \vrule width 1ex height.08ex depth0ex}\kern.4pt}
-\def\etc{$\parallel$}
-\def\see{\kern.4pt\mbox{\vrule width 1em height.54ex depth-.46ex}\kern.4pt}
-
-\endinput \ No newline at end of file