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       gpsshogi - GPSShogi for XShogi and the CSA protocol


   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

       --use-log-linear-probability arg (=0) alternative configuration for
              realization probability search (experimental)

       -N [ --num-cpus ] arg (=2)
              num cpus for parallel search

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

       -p [ --pair-table ] arg
              filename for piece pair evaluation function

       --progress-file arg
              filename for NewProgress data

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

   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

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

       -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)

              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:
              test search performance

              test search performance

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

       --sleep-at-exit arg (=10) seconds of sleeping at exit

       -h [ --help ]
              produce help message

       -v [ --verbose ]
              produce verbose output

              show version info


       Copyright (C) 2003-2009 Team GPS, the University of Tokyo.