Man page - uci2wb(6)

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Manual

UCI2WB

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
AVAILABILITY
SEE ALSO
STANDARDS
AUTHOR

NAME

uci2wb - Protocol adapter for UCI dialects to XBoard

SYNOPSIS

uci2wb [debug] [-var <variant>] [-nice <priority>] [-kill <delay>] [-c|-s|-x] <engine> [<directory>]

DESCRIPTION

uci2wb is a protocol adapter, i.e. it can be used to run AI plugins (’engines’) that communicate in one protocol in a GUI that communicates in another. In this case uci2wb can make appear the engine specified in its argument, which must use a protocol similar to UCI (’Universal Chess Interface’), to the GUI as an engine using XBoard protocol (’Chess Engine Communication Protocol’, CECP).

The protocols for which it can mediate are UCI (both the official standard, as well as the ’Cyclone dialect’ that is commonly used by Chinese-Chess engines, and the ’Arena960 dialect’ used by pre-standard Chess960 engines), USI (’Universal Shogi Interface’, used by some Shogi engines) and UCCI (’Universal Chinese-Chess Interface’). When set to UCI through an explicit -c argument, it uses Cyclone dialect when playing xiangqi games.

OPTIONS

-c -s -x -f

The flag arguments -c (default), -s or -x set uci2wb to use UCI, USI or UCCI, respectively. If there is more than one character in the flag argument, all characters but the first are ignored. This can be used by passing uci2wb the full variant name (’shogi’ or ’xiangqi’) as a flag, to make it automatically choose the appropriate protocol (USI or UCCI). Other values also select UCI, but the value -f in addition implies uci2wb should announce it supports Chess960 even for UCI engines that don’t have the standard UCI_Chess960 option, and in that case causes castlings to be sent to them as O-O or O-O-O instead of the standard KxR notation.

-var <variant >

Forces uci2wb to announce to the GUI it supports (only) the specified variant. Although a UCI_Variant option has been proposed as a way for UxI engines to announce what they can play, (and is supported by uci2wb), not many engines implement this. So if these are not the standard variants implied by the protocol choice, (but, f.e. seirawan or 6x6+6_shogi) it has to be configured on the uci2wb command line through this option.

-nice <priority >

Runs the engine processes at the requested priority; positive values lower the priority.

-kill <delay >

Increases the time between receiving a ’quit’ command and killing of an engine process that somehow could not be made to exit through the normal handling of this (50 ms by default) by the specified delay.

debug

Makes uci2wb report to the GUI everything it receives from the engine, as a CECP engine comment (i.e. prefixed with ’#’). This would make it appear in the GUI’s log of the engine communication. Some critical commands it sends to the engine (such as the ’position-moves’ and ’go’ commands) will be reported as well. This option can also be switched interactively, through the ’UCI2WB debug output’ checkbox option appearing as additional engine option.

directory

If a directory is specified, the engine is started with that directory set as current directory.

byoyomi work-arounds

Byoyomi is a mode of time control in USI not supported by CECP. Engines can be forced to run in this mode by letting the GUI use incremental or sudden-death TC, and ticking the interactive ’Floating Byoyomi’ checkbox option that uci2wb pools with the engine options. An accompanying option ’Byoyomi (sec)’ allows you to force a fixed value >= 0 for the byoyomi to be sent to the engine when ’Floating Byoyomi’ is off.

AVAILABILITY

At http://hgm.nubati.net/cgi-bin/gitweb.cgi the source code can be obtained.

SEE ALSO

xboard (6)

STANDARDS

WinBoard, xboard (6) interface ("Chess Engine Communication Protocol")

UCI specs: http://www.shredderchess.com/chess-info/features/uci-universal-chess-interface.html

USI specs: http://hgm.nubati.net/usi.html

UCCI specs: http://www.xqbase.com/protocol/cchess_ucci.htm

AUTHOR

H.G.Muller <h.g.muller@hccnet.nl>.

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