The main thing are the signs characters. The pentagonal shapes are nice but secondary, because the orientation of the characters shows the owners.
The above example is exactly what I think about.
[Edited by playBunny to make the link work. it gives a list of recorded matches. Then click any of the Java links to see the board and play through the game.]
(sakla) You can use some of the simpler HTML on your messages or, if you're a paying member, can also use the Rich Text Editor. (pauloaguia) (Bütün ipuçlarını göster)