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NAME

       nettoe - Networked version of Tic Tac Toe for the console.

SYNOPSIS

       nettoe [OPTIONS]

DESCRIPTION

       netToe  is  a  console-based version of the classic game "Tic Tac Toe".
       It is playable against computer  AI,  against  a  player  on  the  same
       machine, or against another player over the network.

OPTIONS

       -4, --ipv4
              only IPv4 networking

       -6, --ipv6
              only IPv6 networking

       -nc, --no-colors
              disable colors

       -nb, --no-beep
              disable beeps

       -h, --help
              display usage hints, then exit

       -v, --version
              output version information, then exit

HOW TO PLAY VIA NETWORK

       First decide who will host the game: you or your opponent.  The hosting
       player must next do the following.

       *   Start nettoe.

       *   Pick the third option (Two players over network) of the Main Menu.

       *   Choose the first option (Host the Game) at the Network Game Menu.

       *   Type name, or nickname.

       *   Communicate the IP address to the other player.  Hostnames work, if
           registered.  We hope you know how to get your own IP address.

       *   Wait for the other player to connect to your host.

       Now the other player, the one connecting to the game server, must:

       o   Start nettoe.

       o   Pick the third option (Two players over network) of the Main Menu.

       o   Use the second option (Connect to a host) at the Network Game Menu.

       o   Type name, or nickname.

       o   Type  the IP address of the server host, or its hostname.  Examples
           include 192.168.0.5 and ::1, or fenrir.foe.org and localhost.

       o   Wait for the game to start.

       Enjoy yourselves. If you have any problem, just let us know.

NETWORK PORTS

       netToe uses TCP port 7501 as  listening  port  of  the  server  engine,
       unless  configured  otherwise  during  build  time.  Use "nettoe -v" to
       display the configured port.

       That port must  therefore  be  usable  as  destination  port  over  the
       network.   Otherwise  remote  games would not be possible.  For a local
       game this is of course mostly irrelevant, but filtering firewalls might
       intercept connections in general.

USING THE AI MODES

       netToe  offers  a mode of play where the computer acts as opponent with
       some limited built-in abilities to simulate dynamic  decisions.   Three
       levels of AI strength are made available:

       *   The  weaker  level first checks a small set of blocking moves, then
           some winning moves, and falls back  to  simple  moves  in  a  fixed
           priority  order.   Since  neither  set is adaptive, the computer is
           easily fooled.

       *   The normal level uses slightly larger sets of moves at  each  step,
           but  is  most importantly playing more aggressively than the weaker
           level does.  It happens in the sense that initial  checks  are  for
           winning  moves,  only  later  falling back to blocking moves.  This
           avoids some obvious counterfeit strategy by a human player.

       *   The better of the three levels  is  implemented  differently.   Its
           first  action  is  to  scan  a complete set of winning moves.  That
           leading nowhere, it scans through all possible blocking moves,  and
           finally  falls  back to an ordered list of simple moves.  Since not
           even this level of play is  using  a  look-ahead  search,  a  human
           player  can  set up traps, but finding those already demands a fair
           amount of insight into the game!

       There are plans for a further level using a look-ahead search of  depth
       two.   This  would  improve  the usefulness of netToe as an educational
       tool.  A further level, which is learning from past plays  within  each
       session, could also be an interesting enhancement.

AVAILABILITY

       The latest version of this program can be found at

           http://nettoe.sourceforge.net/

BUGS

       Report  bugs  to  <meand@users.sourceforge.net>.   For  a list of known
       bugs, see the BUGS file in the netToe source package.

AUTHOR

       netToe is written by Gabriele  Giorgetti  <ggdev@users.sourceforge.net>
       and by Mats Erik Andersson <meand@users.sourceforge.net>.

       This    manual    page   was   initially   written   by   Andras   Bali
       <bali@debian.org>, for the  Debian  GNU/Linux  system,  and  was  later
       rewritten  by Gabriele Giorgetti to be distributed in the netToe source
       package.

COPYRIGHT

       Copyright © 2000,2001 Gabriele Giorgetti,
                 © 2001 Andras Bali,
                 © 2012,2013,2014 Mats Erik Andersson.

       This is free software; see the source for copying conditions.  There is
       NO  warranty;  not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
       PURPOSE.



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