Connect 6

• Bridg It
  
  The game is played on a board like the diagram shown above. The players alternately connect two orthogonally adjacent dots of their own color with a bridge -- either a length of plastic or (if playing on paper) simply a line of their color. A line ...
  http://home.flash.net/~markthom/html/bridg-it.html

• Cyberoro
  
  if you want to play or observe a game, you should join first.After completing the gistration and downloading the program, connect to the service. Then, you can enjoy Baduk hrough Korean, Chinese, Japanese, Thai or English version. ...
  http://world.cyberoro.com/main.asp

• Romar Back gammon
  
  One of the players should start the program in listening mode (the third choice in the above dialog). The second player has to know the computer name or IP-address of the person hes playing with. You can obtain your IP-address by starting the program ...
  http://home.hccnet.nl/r.marseille/backgeng.html

• Science Magazine: Checkers Is Solved
  
  The game of checkers has roughly 500 billion billion possible positions (5 x 1020). The task of solving the game, determining the final result in a game with no mistakes made by either player, is daunting. Since 1989, almost continuously, dozens of c ...
  http://www.sciencemag.org/cgi/content/abstract/1144079