heyo: This "pass stone" is essentially the Chinese scoring system, which others have suggested in this DB before. Chinese scoring actually fixes several nagging issues encountered on this site with the Japanese scoring, mainly dealing with people who don't understand scoring completely.
(ocultar) ¿Quieres jugar más partidas pero no terminas de decidir que tipo de juego empezar? Entra en un torneo con partidas aleatorias. (pauloaguia) (mostrar todos los consejos)