Tsumego are considered an excellent way to train a player's ability at reading ahead, and are available for all skill levels, some posing a challenge even to top players.
Chinese cultural centres across the world are promoting Go, and cooperating with local Go associations, for example the seminars held by the Chinese cultural centre in Tel Aviv, Israel together with the Israeli Go association.
Players may pass rather than place a stone if they think there are no further opportunities for profitable play.
It consists of the following eight Area in km 2 2011 Census population Area in km 2 2011 Census population 247.
The game ends when both players pass or when one player resigns.
Their opponent is then in the same situation and can either play a ko threat as well, or concede the ko by simply playing elsewhere.