NAME

       gpsshogi - GPSShogi for XShogi and the CSA protocol

DESCRIPTION

   Search options:
       -i [ --initial-limit ] arg (=400)
              initial limit of iterative deepening

       --deepening-step arg (=200)
              step of iterative deepening

       -l [ --search-limit ] arg (=1400)
              maximum limit of search

       -L [ --record-limit ] arg (=200)
              minimum depth left of storing record

       -n [ --node-limit ] arg (=16000000)
              maximum number of search nodes (tested at each iteration)

       --node-count-hard-limit arg (=18446744073709551615)
              maximum number of search nodes (tested at every nodes)

       -t [ --table-size ] arg (=4800000)
              number of entries in table

       --check-table-size arg (=-1)
              ignored.  just for backward compatibility.

       --ignore-node-counts arg (=1)
              ignore  {node,checkmate}  counts  and  table  size and continue search until memory
              exhausts

       --draw-coef arg (=-1)
              preference for draw (prefer if positive, escape  if  negative),  relative  to  pawn
              value

       -N [ --num-cpus ] arg (=4)
              num cpus for parallel search

       --memory-use-percent arg (=100)
              percentage for memory use (normally 100)

   Evaluation options:
       -e [ --eval-type ] arg (=test)
              evaluation function (test or progress

       --eval-data arg
              filename for evaluation function

       --progress-file arg
              filename for NewProgress data

       --eval-randomness arg (=0)
              add random value generated by normal distribution of a given standard deviation, to
              evaluation values

       --usi-proxy arg
              path to gpsfish

   Match options:
       -b [ --black ] arg (=sente)
              name of black player

       -w [ --white ] arg (=gote)
              name of white player

       -T [ --time-left ] arg (=1500)
              total time left

       -B [ --byoyomi ] arg (=0)
              seconds for each move (byoyomi)

       -o [ --output-filename ] arg (=gpsshogi.csa)
              filename of game record

       -f [ --initial-position ] arg
              csa file of initial position

       -R [ --no-table-reuse ]
              no effect (preserved only for backward compatibility)

       --save-pv arg (=1)
              use pv of previous search results

       -c [ --csa ]
              use csa protocol, instead of gnushogi compatible mode

       -a [ --alphabeta ]
              use alphabeta, instead of mtd(f)

       -r [ --random ]
              random playing

       -s [ --sente ]
              computer play first (second if not specified)

       -P [ --opponent-time ]
              search while the opponent is thinking

       -x [ --move-with-comment ]
              send move with comment (this is a private extension to CSA protocol)

   Opening options:
       -K [ --kisen-file ] arg (=/usr/share/gpsshogi-data/data/kisen/01.kif)
              kisen file for opening book (unused unless kisen-id is specified)

       -k [ --kisen-id ] arg (=-1)
              id of kisen record for opening book (enabled if positive)

       --csa-file arg
              csa file for opening book

       --opening-file arg
              file for opening book (used for normal games)

       --no-opening-book
              do not use opening book

       -m [ --book-moves ] arg (=30)
              maximum depth traced in book

       --enable-determinate-book arg (=0)
              if a specified value (N) > 0, a move is selected among the  top  N  weighted  moves
              with a probability propotional to each move's weight (default 0 [disabled])

       --weight-initial-coef arg (=16)
              weight  coefficient  to  the  top moves, which is used to filter moves only for the
              initial one.

       --weight-coef arg (=10)
              weight coefficient to the top moves, which is  used  to  filter  moves  except  the
              initial one.

   Other options:
       --benchmark
              test search performance

       --benchmark-single
              test search performance

       --benchmark-more arg (=0)
              number of problems for benchmark

       --sleep-at-exit arg (=0)
              seconds of sleeping at exit

       --health-check
              test whether data files are properly placed

       -h [ --help ]
              produce help message

       -v [ --verbose ]
              produce verbose output

       --version
              show version info

COPYRIGHT

       Copyright © 2003-2011 Team GPS.  osl wordsize 64 gcc 6.3.0 20170415