for regular go-moku (which this is essentially the same) i have never played on a board bigger than 13x13. They use that at IYT...i have played approximately 200 games of that and 2 of them have filled up, both agaginst the same person (lol). 15x15 would certainly be big enough though imo!
(скрий) Можете да ползвате обикновен HTML в съобщенията си или, ако сте платен член, можете също да ползвате текстовия редактор. (pauloaguia) (покажи всички подсказки)