is the
Japanese
Japanese may refer to:
* Something from or related to Japan, an island country in East Asia
* Japanese language, spoken mainly in Japan
* Japanese people, the ethnic group that identifies with Japan through ancestry or culture
** Japanese diaspor ...
term for a type of
go problem based on
life-and-death. The term likely comes from , as means
checkmating in
shogi
, also known as Japanese chess, is a strategy board game for two players. It is one of the most popular board games in Japan and is in the same family of games as Western chess, ''chaturanga, Xiangqi'', Indian chess, and '' janggi''. ''Shōgi'' ...
but has different meanings in go. ''Tsumego'' problems are common in newspaper columns.
''Tsumego'' problems have been found in Chinese books dating back to around the 13th century. They were presumably composed and collected from actual games much earlier. They range from situations that occur quite commonly, which every strong player ought to be familiar with, to deliberately difficult puzzles. Some books of the latter type are still used for professional training.
Several conventions are used in the problems. The objective is to kill a group or prevent it from being killed. Problems do not specify how many plays are in the solution (as would be usual in a
chess problem
A chess problem, also called a chess composition, is a puzzle set by the composer using chess pieces on a chess board, which presents the solver with a particular task. For instance, a position may be given with the instruction that White is to ...
), because the goal of the problem is rarely to capture stones; as soon as the correct first move is played, the threatened group can be considered alive (or dead). Solution diagrams will either show the most tenacious resistance that the opponent can offer, or lines that require interesting or tricky tactics. If only part of the board is shown, as is usually the case, the rest of the board can be assumed to be empty. The modern convention is that well composed problems do not allow the threatened group to escape into empty areas of the board (this is one way in which such problems differ from real games), although escape and recapture was a theme in classical problems.
See also
*
Nobuaki Maeda Maeda Nobuaki was a Japanese professional 9 dan go player, a disciple of Honinbo Shusai, and a member of the Nihon Ki-in, the main organizational body for go in Japan. His own disciples were Norio Kudo, Yusuke Oeda, Shioiri Itsuzo, Nagahara Yo ...
*
Yilun Yang
Yang Yilun (; born May 10, 1951), also spelled Yang Yi-lun, is a 7 dan professional Go player
Player may refer to:
Role or adjective
* Player (game), a participant in a game or sport
** Gamer, a player in video and tabletop games
** Athlet ...
*
Igo Hatsuyōron
''Igo Hatsuyōron'' (囲碁 発陽論, literally : ''On yang production in the game of go'', often abbreviated Hatsuyōron) is a collection of 183 go problems (mostly tsumego), compiled in 1713 by the Japanese go master Inoue Dōsetsu Inseki.
U ...
External links
Sensei's Library: TsumegoSensei's Library: Tsumego conventions
{{Go (game)
Go strategy and tactics