Yose
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Hebrew language
Hebrew is a Semitic language of the Afroasiatic language family. Culturally, is it considered by Jews and other religious groups as the language of the Jewish people, though other Jewish languages had originated among diaspora Jews, and the Hebrew language is also used by non-Jewish groups, such...

 name Yose; see Jose
Jose
Jose is the English transliteration of the Hebrew and Aramaic name Yose, which is etymologically linked to Yosef or Joseph. The name was popular during the Mishnaic and Talmudic periods.*Jose ben Jochanan*Jose the Galilean...

.


is a Japanese language
Japanese language
is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...

 term used in the board game go in connection with go endgame plays. It is not, properly speaking, synonymous with the endgame phase as a whole in a game of go — it has often been used that way in the English-language literature of the game, but that is because of a misinterpretation of the original meaning. From the Japanese, a yose would mean a tightening play, in relation strictly to a play on the board that consolidates territory, or destroys the opponent's territory.

Early yose

Such
phase of unlimited fighting has subsided. In novice play there are often, for quite different reasons, endgame plays that are relatively small taken, when it would be more profitable to use the initiative for a play with broader implications.

Oyose

Oyose, or large yose, is another term often used in English language literature. It can be used for a yose that is large enough to be hard enough to count with precision (say, 20 points or more). It is also used to label the phase of the game (the early endgame) immediately after middlegame combat that could have resulted in large groups dying has subsided; in which the typical yose plays are substantial plays that were neglected because of the very pressing nature of the struggle.

Endgame counting

Fundamental to skill in the endgame is the ability to evaluate plays in different areas of the board, and thus identify which plays have priority. This usually depends on counting: deciding numerically how many points are at stake. Knowledge of counting begins with some simple examples and heuristics. In the worst case, if actual proofs are required rather than practical ways to win positions, combinatorial game theory
Combinatorial game theory
Combinatorial game theory is a branch of applied mathematics and theoretical computer science that studies sequential games with perfect information, that is, two-player games which have a position in which the players take turns changing in defined ways or moves to achieve a defined winning...

 has been shown to be implicated.

See also

  • International Go Federation
    International Go Federation
    The International Go Federation is an international organization that connects the various national Go federations around the world. It is usually referred to as IGF.-Role of the IGF:...

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