can click the left mouse button once on the piece, then once more on
the destination square. To drop a new piece on a square (when
applicable), press the middle or the right mouse button over the
-square and select from the popup menu. In cases where you can drop
+square and select from the pop-up menu. In cases where you can drop
either a white or black piece, use the middle button (or shift+right)
for white and the right button (or shift+middle) for black. When you
are playing a bughouse game on an Internet Chess Server, a list of the
-offboard pieces that each player has available is shown in the window
+off-board pieces that each player has available is shown in the window
title after the player's name; in addition, the piece menus show the
number of pieces available of each type. From version 4.3.14 on, it is
also possible in crazyhouse, bughouse or shogi to dag and drop pieces
@cindex New variant, Menu Item
Allows you to select a new chess variant in non-ICS mode.
(In ICS play, the ICS is responsible for deciding which variant will be played,
-and XBoard adapts autmatically.) If you play with an engine, the engine must
+and XBoard adapts automatically.) If you play with an engine, the engine must
be able to play the selected variant, or the command will be ignored.
XBoard supports all major variants, such as xiangqi, shogi, chess, chess960,
-Capablanca Chess, shatranj, crazyhous, bughouse.
+Capablanca Chess, shatranj, crazyhouse, bughouse.
+(But not every board size has built-in bitmaps for un-orthodox pieces!)
@item Load Game
@cindex Load Game, Menu Item
Plays a game from a record file. The @kbd{g} key is a keyboard equivalent.
-A popup dialog prompts you for the file name. If the file contains more
-than one game, a second popup dialog
+A pop-up dialog prompts you for the file name. If the file contains more
+than one game, a second pop-up dialog
displays a list of games (with information drawn from their PGN tags, if
any), and you can select the one you want. Alternatively, you can load the
Nth game in the file directly, by typing the number @kbd{N} after the
@item Save Game
@cindex Save Game, Menu Item
Appends a record of the current game to a file.
-A popup dialog
+A pop-up dialog
prompts you for the file name. If the game did not begin with
the standard starting position, the game file includes the
starting position used. Games are saved in the PGN (portable
with Load Game.
@item Load Position
@cindex Load Position, Menu Item
-Sets up a position from a position file. A popup dialog prompts
+Sets up a position from a position file. A pop-up dialog prompts
you for the file name. If the file contains more than one saved
position, and you want to load the Nth one, type the number N
after the file name, separated by a space. Position files must
@item Save Position
@cindex Save Game, Menu Item
Appends a diagram of the current position to a file.
-A popup dialog
+A pop-up dialog
prompts you for the file name. Positions are saved in
FEN (Forsythe-Edwards notation) format unless the @code{oldSaveStyle}
option is true, in which case they are saved in an older,
@item Analyze File
@cindex Analyze File, Menu Item
This option lets you load a game from a file (PGN, XBoard format, etc.)
-and analyze it. When you select this menu item, a popup window appears
-and asks for a filename to load.
-If the file contains multiple games, another popup appears that lets
+and analyze it. When you select this menu item, a pop-up window appears
+and asks for a file name to load.
+If the file contains multiple games, another pop up appears that lets
you select which game you wish to analyze.
After a game is loaded, use the XBoard arrow buttons to step
forwards/backwards through the game and watch the analysis.
Training mode lets you interactively guess the moves of a game for one
of the players. You guess the next move of the game by playing the
move on the board. If the move played matches the next move of the
-game, the move is accepted and the opponent's response is autoplayed.
+game, the move is accepted and the opponent's response is auto-played.
If the move played is incorrect, an error message is displayed. You
can select this mode only while loading a game (that is, after
selecting @samp{Load Game} from the File menu). While XBoard is in
@cindex Stop Examining, Menu Item
Ends your participation in examining a game, by issuing the ICS
unexamine command. ICS mode only.
+@item Adjudicate to White
+@itemx Adjudicate to Black
+@itemx Adjudicate Draw
+@cindex Adjudicate to White, Menu Item
+@cindex Adjudicate to Black, Menu Item
+@cindex Adjudicate Draw, Menu Item
+Terminate an ongoing game in Two-Machines mode (including match mode),
+with as result a win for white, for black, or a draw, respectively.
+The PGN file of the game will accompany the result string
+by the comment "user adjudication".
@end table
@node Step Menu
thinking, use @samp{Move Now} first. In ICS mode, @samp{Retract Move}
issues the command @samp{takeback 1} or @samp{takeback 2}
depending on whether it is your opponent's move or yours.
-@item Adjudicate to White
-@itemx Adjudicate to Black
-@itemx Adjudicate Draw
-@cindex Adjudicate to White, Menu Item
-@cindex Adjudicate to Black, Menu Item
-@cindex Adjudicate Draw, Menu Item
-Terminate an ongoing game in Two-Machines mode (including match mode),
-with as result a win for white, for black, or a draw, repsectively.
-The PGN file of the game will accompany the result string
-by the comment "user adjudication".
@end table
@node Options Menu
You can instruct XBoard to detect and terminate the game on checkmate
or stalemate, even if the engines would not do so, to verify engine
result claims (forfeiting engines that make false claims), rather than
-naively following the engine, to declare draw on posititions
+naively following the engine, to declare draw on positions
which can never be won for lack of mating material, (e.g. KBK),
-or which are impossble to win unless the opponent seeks its own demise
+or which are impossible to win unless the opponent seeks its own demise
(e.g. KBKN).
For these adjudications to work, @samp{Test Legality} should be switched on.
-It is also possible to insruct XBoard to enforce a 50-move or 3-fold-repeat
-rule and automtically declare draw (after a user-adjustable number of moves
+It is also possible to instruct XBoard to enforce a 50-move or 3-fold-repeat
+rule and automatically declare draw (after a user-adjustable number of moves
or repeats) even if the engines are prepared to go on.
It is also possible to have XBoard declare draw on games that seem to drag on
-forever, or adjudicate a loss if both engines agree (for 3 cosecutive moves) that one
+forever, or adjudicate a loss if both engines agree (for 3 consecutive moves) that one
of them is behind more than a user-adjustable score threshold.
For the latter adjudication to work, XBoard should be able to properly understand
-the engine's scores. To faclitate the latter, you can inform xboard here if
+the engine's scores. To facilitate the latter, you can inform xboard here if
the engines report scores from the viewpoint of white, or from that of their own color.
@item Engine Settings
Pops up a sub-menu where you can set some engine parameters common to most engines,
such as hash-table size, tablebase cache size, maximum number of processors
that SMP engines can use, and where to find the Polyglot adapter needed
-to run UCI engines under XBoard. The feature tht allows setting of these parameters on
-engines is new since XBoard 4.3.15, so not many WinBoard engines respond
+to run UCI engines under XBoard. The feature that allows setting of these parameters on
+engines is new since XBoard 4.3.15, so not many XBoard/WinBoard engines respond
to it yet, but UCI engines should.
It is also possible to specify a GUI opening book here, i.e. an opening
book that XBoard consults for any position a playing engine gets in.
If this option is off, XBoard brings up a dialog
box whenever you move a pawn to the last rank, asking what piece
you want to promote it to. If the option is true, your pawns are
-always promoted to queens. Your opponent can still underpromote.
+always promoted to queens. Your opponent can still under-promote.
@item Animate Dragging
@cindex Animate Dragging, Menu Item
If Animate Dragging is on, while you are dragging a piece with the
If this option is off, when you make an error in moving (such as
attempting an illegal move or moving the wrong color piece), the
error message is displayed in the message area. If the option is
-on, move errors are displayed in small popup windows like other errors.
-You can dismiss an error popup either by clicking its OK button or by
-clicking anywhere on the board, including downclicking to start a move.
+on, move errors are displayed in small pop-up windows like other errors.
+You can dismiss an error pop-up either by clicking its OK button or by
+clicking anywhere on the board, including down-clicking to start a move.
@item Premove
@cindex Premove, Menu Item
If this option is on while playing a game on an ICS, you can register
* ICS options:: Connecting to and using ICS.
* Load and Save options:: Input/output options.
* User interface options:: Look and feel options.
-* Adjudication Options:: Control adjudcation of engine-engine games.
+* Adjudication Options:: Control adjudication of engine-engine games.
* Other options:: Miscellaneous.
@end menu
If mode=0, both play with reduced time. Default: 0.
@item -hideThinkingFromHuman true/false
Controls the Hide Thinking option. @xref{Options Menu}. Default: true.
-(Relaces the Show-Thinking option of older xboard versions.)
+(Replaces the Show-Thinking option of older xboard versions.)
@item -thinking/-xthinking or -showThinking true/false
@cindex thinking, option
@cindex showThinking, option
@cindex ponderNextMove, option
Sets the Ponder Next Move menu option. @xref{Options Menu}. Default: true.
@item -smpCores number
-Specifies the maxmum nmber of CPUs an SMP engine is allowed to use.
-Only works for engines that support the WinBoard-protocol cores feature.
+Specifies the maximum number of CPUs an SMP engine is allowed to use.
+Only works for engines that support the XBoard/WinBoard-protocol cores feature.
@item -mg or -matchGames n
@cindex mg, option
@cindex matchGames, option
@cindex niceEngines, option
This option allows you to lower the priority of the engine processes,
so that the generally insatiable hunger for CPU time of chess engines does not interfere so much
-with smooth operation of WinBoard (or the rest of your system).
+with smooth operation of XBoard (or the rest of your system).
Negative values could increase the engine priority, which is not recommended.
@item -firstOptions string
@itemx -secondOptions string
@cindex firstOptions, option
@cindex secondOptions, option
-The given string is a comma-separated list of (option name, option value) pairs,
-like the following example: style=Karpov,blunder rate=0.
-If the options announced by the engine at startup through the feature commands of WinBoard protocol
-matches one of the option names (i.e. style or blunder rate),
-it would be set to the given value (i.e. Karpov or 0)
+The given string is a comma-separated list of (option name=option value) pairs,
+like the following example: "style=Karpov,blunder rate=0".
+If an option announced by the engine at startup through the feature commands of the XBoard/WinBoard protocol
+matches one of the option names (i.e. "style" or "blunder rate"),
+it would be set to the given value (i.e. "Karpov" or 0)
through a corresponding option command to the engine.
This provided that the type of the value (text or numeric) matches as well.
@item -firstNeedsNoncompliantFEN string
with the setboard command will be replaced by the given string. This can for
instance be used to run engines that do not understand Chess960 FENs in
variant fischerandom, to make them at least understand the opening position,
-through setting the string to KQkq -. (Note you also have to give the e.p. field!)
+through setting the string to "KQkq -". (Note you also have to give the e.p. field!)
Other possible applications are to provide work-arounds for engines that want to see
castling and e.p. fields in variants that do not have castling or e.p.
-(shatranj, courier, xiangqi, shogi) so that WinBoard would normally omit them
-(string = - -), or to add variant-specific fields that are not yet supported by WinBoard
+(shatranj, courier, xiangqi, shogi) so that XBoard would normally omit them
+(string = "- -"), or to add variant-specific fields that are not yet supported by XBoard
(e.g. to indicate the number of checks in 3check).
@end table
Indicates if the mentioned engine executable file is an UCI engine,
and should be run with the aid of the Polyglot adapter rather than directly.
Xboard will then pass the other UCI options and engine name to Polyglot
-through a .ini temporary file ceated for the purpose.
+through a .ini temporary file created for the purpose.
@item -PolyglotDir filename
@cindex PolyglotDir, option
Gives the name of the directory in which the Polyglot adapter for UCI engines expects its files.
Default: "/usr/local/share/polyglot".
@item -usePolyglotBook true/false
@cindex usePolyglotBook, option
-Specifies if the Polygot book should be used.
+Specifies if the Polyglot book should be used.
@item -PolyglotBook filename
@cindex PolyglotBook, option
Gives the filename of the opening book that Polyglot should use.
-From XBoard 4.3.15 on, native WinBoard engines will also use the opening book specified here,
+From XBoard 4.3.15 on, native XBoard/WinBoard engines will also use the opening book specified here,
provided the @code{usePolyglotBook} option is set to true,
and the option @code{firstHasOwnBookUCI} or @code{secondHasOwnBookUCI} applying to the engine
is set to false.
@item -defaultHashSize n
@cindex defaultHashSize, option
Sets the size of the hash table to n MegaBytes. Together with the EGTB cache size
-this number is also used to calculate the memory setting of WinBoard engines,
-for those that support the memory feature of WinBoard protocol. Default: 64.
+this number is also used to calculate the memory setting of XBoard/WinBoard engines,
+for those that support the memory feature of the XBoard/WinBoard protocol. Default: 64.
@item -defaultCacheSizeEGTB n
@cindex defaultCacheSizeEGTB, option
Sets the size of the EGTB cache to n MegaBytes. Together with the hash-table size
-this number is also used to calculate the memory setting of WinBoard engines,
-for those that support the memory feature of WinBoard protocol. Default: 4.
+this number is also used to calculate the memory setting of XBoard/WinBoard engines,
+for those that support the memory feature of the XBoard/WinBoard protocol. Default: 4.
@item -defaultPathEGTB filename
@cindex defaultPathEGTB, option
Gives the name of the directory where the end-game tablebases are installed, for UCI engines.
the given character I/O device instead of opening a TCP connection.
Use this option if your system does not have any kind of
Internet connection itself (not even a SLIP or PPP connection),
-but you do have dialup access (or a hardwired terminal line) to
+but you do have dial-up access (or a hardwired terminal line) to
an Internet service provider from which you can telnet to the ICS.
The support for this option in XBoard is minimal. You need to
Sets the ICS Alarm menu option. @xref{Options Menu}. Default: true.
@item -icsAlarmTime ms
@cindex icsAlarmTime, option
-Sets the time in milliseconds for the ICS Alarm menu option.
+Sets the time in milliseconds for the ICS Alarm menu option.
@xref{Options Menu}. Default: 5000.
+@item lowTimeWarning true/false
+@cindex lowTimeWarning, option
+Controls a color change of the board as a warning your time is running out.
+@xref{Options Menu}. Default: false.
@item -pre/-xpre \fRor\fB -premove true/false
@cindex pre, option
@cindex premove, option
specifies the standard output.
@item -pgnExtendedInfo true/false
@cindex pgnExtendedInfo, option`
-If this option is set, WinBoard saves depth, score and time used for each
+If this option is set, XBoard saves depth, score and time used for each
move that the engine found as a comment in the PGN file.
Default: false.
@item -pgnEventHeader string
@itemx -lightSquareColor color
@itemx -darkSquareColor color
@itemx -highlightSquareColor color
+@itemx -lowTimeWarningColor color
@cindex Colors
@cindex whitePieceColor, option
@cindex blackPieceColor, option
@cindex lightSquareColor, option
@cindex darkSquareColor, option
@cindex highlightSquareColor, option
+@cindex lowTimeWarningColor, option
Colors to use for the pieces, squares, and square highlights.
Defaults:
-darkSquareColor #77A26D
-highlightSquareColor #FFFF00
-premoveHighlightColor #FF0000
+-lowTimeWarningColor #FF0000
@end example
On a grayscale monitor you might prefer:
-darkSquareColor gray60
-highlightSquareColor gray100
-premoveHighlightColor gray70
+-lowTimeWarningColor gray70
@end example
@item -drag/-xdrag or -animateDragging true/false
@cindex drag, option
is below the given score threshold for that engine. Make sure the score
is interpreted properly by XBoard,
using @code{-firstScoreAbs} and @code{-secondScoreAbs} if needed.
-Default: 0 (no adjudiction)
+Default: 0 (no adjudication)
@item -adjudicateDrawMoves n
@cindex adjudicateDrawMoves, option
If the given value is non-zero, XBoard adjudicates the game as a draw
-if after the given number of moves it was not yet decided. Defaut: 0 (no adjudication)
+if after the given number of moves it was not yet decided. Default: 0 (no adjudication)
@item -checkMates true/false
@cindex checkMates, option
If this option is set, XBoard detects all checkmates and stalemates,
gothic similar, with a better initial position
caparandom An FRC-like version of Capablanca Chess (10x8)
janus A game with two Archbishops (10x8 board)
-courier Medieval intermedite between shatranj and
+courier Medieval intermediate between shatranj and
modern Chess (on 12x8 board)
falcon Patented 10x8 variant with two Falcon pieces
berolina Pawns capture straight ahead, and move diagonal
unknown Catchall for other unknown variants
@end example
+NOT ALL BOARDSIZES PROVIDE A COMPLETE SET OF BUILT-IN BITMAPS FOR ALL
+UN-ORTHODOX PIECES, though. Only in @code{boardSize} middling and bulky
+all 22 piece types are provided, while -boardSize petite has most
+of them. Archbishop, Chancellor and Amazon are supported in every
+size from petite to bulky. Kings or Amazons are substituted for
+missing bitmaps. You can still play variants needing un-orthodox
+pieces in other board sizes providing your own bitmaps through the
+@code{bitmapDirectory} or @code{pixmapDirectory} options.
+
In the shuffle variants, XBoard now does shuffle the pieces, although
you can still do it by hand using Edit Position. Some variants are
supported only in ICS mode, including bughouse, and
-kriegspiel. The winning/drawing conditions in crazyhouse (offboard
-interposition on mate), losers, suicide, giveaway, atomic, and 3check
-are not fully understood.
+kriegspiel. The winning/drawing conditions in crazyhouse (off-board
+interposition on mate) are not fully understood, but losers, suicide,
+giveaway, atomic, and 3check should be OK.
Berolina and cylinder chess can only be played with legality testing off.
In crazyhouse, XBoard now does keep
-track of offboard pieces. In shatranj it does implement the baring
+track of off-board pieces. In shatranj it does implement the baring
rule when mate detection is switched on.
@item -boardHeight N
@cindex boardHeight, option
@item -debugFile filename or -nameOfDebugFile filename
@cindex debugFile, option
@cindex nameOfDebugFile, option
-Sets the name of the file to which WinBoard saves debug information
+Sets the name of the file to which XBoard saves debug information
(including all communication to and from the engines).
@item -engineDebugOutput number
@cindex engineDebugOutput, option
-Specifies how WinBoard should handle unsolicited output from the engine,
+Specifies how XBoard should handle unsolicited output from the engine,
with respect to saving it in the debug file.
The output is further (hopefully) ignored.
-If number=0, WinBoard refrains from writing such spurious output to the debug file.
+If number=0, XBoard refrains from writing such spurious output to the debug file.
If number=1, all engine output is written faithfully to the debug file.
-If number=2, any protocol-violating line is prefixed with a # character,
+If number=2, any protocol-violating line is prefixed with a '#' character,
as the engine itself should have done if it wanted to submit info for inclusion in the debug file.
This option is provided for the benefit of applications that use the debug file
as a source of information, such as the broadcaster of live games TLCV / TLCS.
@itemx -delayAfterQuit number
@cindex delayBeforeQuit, option
@cindex delayAfterQuit, option
-These options specify how long WinBoard has to wait before sending a termination signal to rogue engine processes, that do not want to react to the quit command. The second one determines the pause after killing the engine, to make sure it dies.
+These options specify how long XBoard has to wait before sending a termination signal to rogue engine processes, that do not want to react to the 'quit' command. The second one determines the pause after killing the engine, to make sure it dies.
@end table
the piece you are trying to drop. But this way of dropping pieces should be considered
an obsolete feature, now that pieces can be dropped by dragging them from the holdings
to the board. Anyway, if you would attempt an illegal move when using a chess engine or the ICS,
-WinBoard will accept the error message that comes back, undo the move, and let you try another.
+XBoard will accept the error message that comes back, undo the move, and let you try another.
FEN positions saved by XBoard do include correct information about whether castling or
en passant are legal, and also handle the 50-move counter.
The mate detector does not understand that non-contact mate is not really mate in bughouse.
@cindex Problems
@cindex Reporting problems
-Report bugs and problems with XBoard to @code{<bug-xboard@@gnu.org>}.
+You can report bugs and problems with XBoard using
+the bug tracker at @code{https://savannah.gnu.org/projects/xboard/}
+or by sending mail to @code{<bug-xboard@@gnu.org>}. It can also
+be useful to report or discuss bugs in the WinBoard Forum at
+@code{http://www.open-aurec.com/wbforum/},
+WinBoard development section.
Please use the @file{script} program to start a typescript, run
XBoard with the @samp{-debug} option, and include the typescript
output in your message.
Also tell us what kind of machine and what operating system version
you are using. The command @samp{uname -a} will often tell you this.
-Here is a sample of approximately what you should type:
-
-@example
-script
-uname -a
-./configure
-make
-./xboard -debug
-exit
-mail bug-xboard@@gnu.org
-Subject: Your short description of the problem
-Your detailed description of the problem
-~r typescript
-.
-@end example
-
-The WinBoard / XBoard 4.3 line is being developed by H.G. Muller
-independently of the GNU Savannah xboard project.
-Bug reports on this version, and suggestions for improvements and additions,
-are best posted in the WinBoard forum,
-WinBoard-development section (http://www.open-aurec.com/wbforum).
If you improve XBoard, please send a message about your changes,
and we will get in touch with you about merging them in
to the main line of development.
-Also see our Web site at http://savannah.gnu.org/projects/xboard/.
@node Contributors
@chapter Authors and contributors
@cindex Authors
@cindex Contributors
-Tim Mann has been responsible for XBoard versions 1.3 and beyond, and
-for WinBoard, a port of XBoard to Microsoft Win32 (Windows NT and
-Windows 95). H.G.Muller is responsible for version 4.3.
-
-Mark Williams contributed the initial (WinBoard-only) implementation
-of many new features added to both XBoard and WinBoard in version
-4.1.0, including copy/paste, premove, icsAlarm, autoFlipView, training
-mode, auto raise, and blindfold. Ben Nye contributed X copy/paste
-code for XBoard.
-
-Hugh Fisher added animated piece movement to XBoard, and Henrik Gram
-(henrikg@@funcom.com) added it to WinBoard. Frank McIngvale added
-click/click moving, the Analysis modes, piece flashing, ZIICS import,
-and ICS text colorization to XBoard. Jochen Wiedmann ported XBoard to
-the Amiga, creating AmyBoard, and converted the documentation to
-texinfo. Elmar Bartel contributed the new piece bitmaps introduced in
-version 3.2. John Chanak contributed the initial implementation of
-ICS mode. The color scheme and the old 80x80 piece bitmaps were taken
+Chris Sears and Dan Sears wrote the original XBoard. They were
+responsible for versions 1.0 through 1.2. The color scheme was taken
from Wayne Christopher's @code{XChess} program.
-Chris Sears and Dan Sears wrote the original XBoard. They were
-responsible for versions 1.0 through 1.2.
+Tim Mann was primarily responsible for XBoard versions 1.3 through
+4.2.7, and for WinBoard (a port of XBoard to Microsoft Win32) from its
+inception through version 4.2.7.
+
+John Chanak contributed the initial implementation of ICS mode. Evan
+Welsh wrote @code{CMail}, and Patrick Surry helped in designing,
+testing, and documenting it. Elmar Bartel contributed the new piece
+bitmaps introduced in version 3.2. Jochen Wiedmann converted the
+documentation to texinfo. Frank McIngvale added click/click moving,
+the Analysis modes, piece flashing, ZIICS import, and ICS text
+colorization to XBoard. Hugh Fisher added animated piece movement to
+XBoard, and Henrik Gram added it to WinBoard. Mark Williams
+contributed the initial (WinBoard-only) implementation of many new
+features added to both XBoard and WinBoard in version 4.1.0, including
+copy/paste, premove, icsAlarm, autoFlipView, training mode, auto
+raise, and blindfold. Ben Nye contributed X copy/paste code for
+XBoard.
-Evan Welsh wrote @code{CMail}. Patrick Surry helped in designing,
-testing, and documenting CMail.
+In a fork from version 4.2.7, Alessandro Scotti added many elements to
+the user interface of WinBoard, including the board textures and
+font-based rendering, the evaluation-graph, move-history and
+engine-output window. He was also responsible for adding the UCI
+support.
+
+H. G. Muller continued this fork of the project, producing version
+4.3. He made WinBoard castling- and e.p.-aware, added variant support
+with adjustable board sizes, the crazyhouse holdings, and the fairy
+pieces. In addition he added most of the adjudication options, made
+WinBoard more robust in dealing with buggy and crashing engines, and
+extended time control with a time-odds and node-count-based modes.
+Most of the options that initially were WinBoard only have now been
+back-ported to XBoard.
-Allessandro Scotti added many elements to the user interface of WinBoard,
-including the board textures and font-based rendering, the evaluation-graph,
-move-history and engine-output window.
-He was also responsible for adding the UCI support.
+Michel van den Bergh provided the code for reading Polyglot opening books.
-H.G. Muller made WinBoard castling- and e.p.-aware,
-added variant support with adjustable board sizes,
-the crazyhouse holdings, and the fairy pieces.
-In addition he added most of the adjudication options,
-made WinBoard more robust in dealing with buggy and crashing engines,
-and extended time control with a time-odds and node-count-based modes.
-Most of the options that initially wre WinBoard only have now been back-ported to XBoard.
+Meanwhile, some work continued on the GNU XBoard project maintained at
+savannah.gnu.org, but version 4.2.8 was never released. Daniel
+Mehrmann was responsible for much of this work.
-Michel van den Bergh provided the code for reading Polyglot opening books.
+Most recently, Arun Persaud worked with H. G. Muller to merge all
+the features of the never-released XBoard/WinBoard 4.2.8 of the GNU
+XBoard project and the never-released 4.3.16 from H. G.'s fork into a
+unified XBoard/WinBoard 4.4, which is now available both from the
+savannah.gnu.org web site and the WinBoard forum.
-Arun Persaud worked with H.G. Muller to combine all the features of the never-released WinBoard 4.2.8
-of the Savannah project (mainly by Daniel Mehrmann),
-and the never-released 4.3.16 into a unified WinBoard 4.4,
-which is now available both from the Savannah web site and the WinBoard forum.
@node CMail
@chapter CMail
@cindex cmail
environment variable @code{$CMAIL_MAILPROG} or failing that
@file{/usr/ucb/Mail}, @file{/usr/ucb/mail} or @file{Mail}. You will need
to set this variable if none of the above paths fit your system.
-@item -gamesFile <file>
-@cindex .cmailgames
-A file containing a list of games with email addresses. This defaults to
-the environment variable @code{$CMAIL_GAMES} or failing that
-@file{.cmailgames}.
-@item -aliasesFile <file>
-@cindex .cmailaliases
-A file containing one or more aliases for a set of email addresses. This
-defaults to the environment variable @code{$CMAIL_ALIASES} or failing
-that @file{.cmailaliases}.
@item -logFile <file>
A file in which to dump verbose debugging messages that are invoked with
the @samp{-v}
@node Fairy-Max
@section Fairy-Max
-Fairy-Max is a derivative from the World's smallest Chess program micro-Max,
+Fairy-Max is a derivative from the once World's smallest Chess program micro-Max,
which measures only about 100 lines of source code.
The main difference with micro-Max is that Fairy-Max loads its move-generator
tables from a file, so that the rules for piece movement can be easily configured
to implement unorthodox pieces.
-Fairy-Max can therefore play a lage number of variants, normal Chess being one of those.
-In addition it plas Knightmate, Capablanca and Gothic Chess, Shatranj, Courier Chess,
+Fairy-Max can therefore play a large number of variants, normal Chess being one of those.
+In addition it plays Knightmate, Capablanca and Gothic Chess, Shatranj, Courier Chess,
Cylinder chess, Berolina Chess, while the user can easily define new variants.
It can be obtained from:
projects / xboard.git / blobdiff