This is basically intended for debugging. Currently available schemes are:Īlways Always replace existing entries by new entries.ĭepth Replace existing entries only by entries with same or higher search depth.įrom now on, ignore the command command. '32M') may be used to specify size in kilobytes or megabytes, respectively. The size is given in bytes, the suffixes 'K' and 'M' (e.g. Set the size of the main hash table (transposition table). Print information about evaluation cache. A size of 0 disables the evaluation cache. If level is omitted, the current debug level is printed. The parameter min_move_count specifies how many times a move must be played until it is added to the opening book. all moves of all games will be put into the book. If depth is 0, there is no depth limit, i.e. The parameter depth specifies how many moves (half-moves, ply) of each game will be included in the opening book. The new book will be written to bookfile. book create bookfile pgnfile depth min_move_countĬreate a new opening book, from the games in pgnfile. Run benchmark for make_move and unmake_move routines. Give a brief summary about available commands. Furthermore, the following special commands are also available: help Those commands are described in detail at. Hoichess supports most commands of the XBoard protocol.
#Xboard ches windows#
On Windows platforms, the default is off, because the Windows terminal is normally not \s-1ANSI\s0 capable. autoĪutomatically use \s-1ANSI\s0 color sequences when stdout is a terminal. onĪlways use \s-1ANSI\s0 color sequences. color argĬontrol usage of \s-1ANSI\s0 color control sequences, e.g. rcfile filenameīefore accepting input from stdin, first read commands (and probably moves) from filename. A size of 0 disables the pawn hash table. The optional argument can be one of: offĪutomatically enable xboard mode when stdout is not a terminal, which is the case when HoiChess is started under xboard. Normally, this option should not be necessary because hoichess automatically detects when it is started under xboard. This turns off the input prompt and alters the output format to meet the requirements of the xboard protocol. Note: Logging is not yet implemented in the current version of HoiChess, so the log will be empty. See section \*(L"\s-1COMMANDS\s0\*(R" for more details about those commands. If run hoichess or hoixiangqi at the command line, the help command gives you a brief summary of available commands.
#Xboard ches code#
Hoichess and hoixiangqi are built from the same code base, so nearly all commands and options, as well as the text based user interface, are the same for both programs. In the future, a different protocol might be used. However, there is no user interface that supports this protocol.
Currently, it also uses the xboard/winboard protocol.
Hoixiangqi is a xiangqi (\*(L"Chinese chess\*(R") playing program. To start up quickly, you just need the command: xboard -fcp hoichess.
#Xboard ches how to#
See xboard\|(6) for instructions about how to use hoichess through xboard. Hoichess uses many of the standard techniques found in modern chess programs, like rotated bitboards, principal variation search, quiescence search, transposition table and iterative deepening. It implements major parts of the xboard/winboard chess engine protocol.
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