If you have the above, enjoy this tiny (80 lines) Go Game applet demo. See also the index for other/newer Tclets!
This is not fully functionall yet, you can only put black stones with button 1, and white stones with button 2... more to come... Notice how the coordinates updates only when you stop moving [not a cpu pig].
Source code (the one embeded have been crunched for efficiency)
to other applets, or toplevel