Portal:Go (game)

Welcome to the Go Portal

Introduction

1. (Full article...)

Selected article -

A go apprentice insei (院生, insei) is a student learning to play Go at an institution, typically with the aim of becoming a professional player. In Japan, such a student is called an insei (literally, "institution student"). Institutions for insei include the Nihon Ki-in (Japanese Go Association) and the Kansai Ki-in (Kansai Go Association). The equivalent of Go insei in Korea is "Yeon gu saeng" (Korean: 연구생; Hanja: 硏究生; RR: Yeon(-)gusaeng), read "Ken kyū sei" in Japanese and "Yán jiū shēng" (Chinese: 硏究生, also meaning "graduate student") in Chinese. (Full article...)

General images

The following are images from various Go-related articles on Wikipedia.

• 
  Hon'inbō Shūsai (left), last head of house Hon'inbō, plays against then-up-and-coming Go Seigen in the game of the century. (from Go (game))
• 
  A finished beginner's game on a 13×13 board (from Go (game))
• 
  Three Japanese professional Go players observe some younger amateurs as they dissect a life and death problem in the corner of the board, at the US Go Congress in Houston, Texas, 2003. (from Go (game))
• 
  Li Jing playing Go with his brothers. Detail from a painting by Zhou Wenju (fl. 942–961 CE), Southern Tang dynasty. (from Go (game))
• 
  Example of seki (mutual life). Neither Black nor White can play on the marked points without reducing their own liberties for those groups to one (self-atari). (from Go (game))
• 
  Painting of a woman playing Go, from the Astana Graves. Tang dynasty, c. 744 CE. (from Go (game))
• 
  Go portrayed as part of East-Asian culture. (The goblet in the middle is from the Nihon Ki-in.) (from Go (game))
• 
  Li Jing playing Go with his brothers. Painting by Zhou Wenju (fl. 942–961), Southern Tang dynasty. (from History of Go)
• 
  The first 150 moves of a Go game animated. (Click on the board to restart the animation in a larger window.) (from Go (game))
• 
  An example of single-convex stones and Go Seigen bowls. These particular stones are made of Yunzi material, and the bowls of jujube wood. (from Go (game))
• 
  South Korean player Lee Chang-ho plays against Russian player Alexandre Dinerchtein, seven-time European Champion and one of the few non-East Asian players to reach professional status. (from Go (game))
• 
  A 9×9 game with graphical aids. Colors and markings show evaluations by the computer assistant. (from Go (game))
• 
  Go players demonstrating the traditional technique of holding a stone (from Go (game))
• 
  Model of a 19×19 Go board, from a tomb of the Sui dynasty (581–618 CE) (from Go (game))
• 
  A traditional Japanese set, with a solid wooden floor board (碁盤 goban), 2 bowls (碁笥 goke) and 361 stones (碁石 goishi) (from Go (game))
• 
  Under normal rules, White cannot play at A because that point has no liberties. Under the Ing and New Zealand rules, White may play A, a suicide stone that kills itself and the two neighboring white stones, leaving an empty three-space eye. Black naturally answers by playing at A, creating two eyes to live. (from Go (game))
• 
  A simplified game at its end. Black's territory (A) + (C) and prisoners (D) is counted and compared to White's territory (B) only (no prisoners). In this example, both Black and White attempted to invade and live (C and D groups) to reduce the other's total territory. Only Black's invading group (C) was successful in living, as White's group (D) was killed with a black stone at (E). The points in the middle (F) are dame, meaning they belong to neither player. (from Go (game))
• 
  The illustration [A] displays the four "liberties" (adjacent empty points) of a single black stone. Illustrations [B], [C], and [D] show White reducing those liberties progressively by one. In [D], when Black has only one liberty left, that stone is under attack and about to be captured and eliminated (a state called atari). White may capture that stone (remove it from the board) with a play on its last liberty (at D-1). (from Go (game))
• 
  The Black stone group has only one liberty (at point A), so it is very vulnerable to capture. If Black plays at A, the chain would then have 3 liberties, and so is much safer. However, if White plays at A first, the Black chain loses its last liberty, and thus it is captured and immediately removed from the board, leaving White's stones as shown to the right. (from Go (game))
• 
  A ceramic 19 x 19 board preserved from the Sui dynasty. (from History of Go)
• 
  One black chain and two white chains, with their liberties marked with dots. Liberties are shared among all stones of a chain and can be counted. Here the black group has 5 liberties, while the two white chains have 4 liberties each. (from Go (game))
• 
  A simplified ko fight on a 9×9 board. The ko is at the point marked with a square—Black has "taken the ko" first. The ko fight determines the life of the A and B groups—only one survives and the other is captured. White may play C as a ko threat, and Black properly answers at D. White can then take the ko by playing at the square-marked point (capturing the one black stone). E is a possible ko threat for Black. (from Go (game))
• 
  Minamoto no Yoshiie by Tsukioka Yoshitoshi, 1886. This popular woodblock print depicts the ancient legend of a husband who suspected his wife was having an affair with the samurai Minamoto no Yoshiie. To prevent his visits, the husband surrounded his house with brambles and placed a Go board on the balcony, hoping he would stumble over it. Instead, the samurai deftly cut the board as he leaped over the balcony railing, avoiding both obstacles. (from Go (game))

Selected image

• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description
• 
  Click to enlarge and view description

Top international title holders

#	Nat.	Player	Total
1		Lee Changho	17
2		Lee Sedol	14
3		Cho Hunhyun	9
4-t		Gu Li	8
4-t		Ke Jie	8
6		Shin Jinseo	7
7		Yoo Changhyuk	6
8		Park Junghwan	5

Top 10 WikiProject Go Popular articles of the month

This following Go-related articles is a most visited articles of WikiProject Go, See complete list at Wikipedia:WikiProject Go/Popular pages.

---

• 
  
  

  

  Go is played on a grid (usually 19×19). Game pieces (stones) are placed on the grid line intersections.

  ¿¿¿# (Full article...)
• 

  

  
  The dan (段) ranking system is used by many Japanese, Okinawan, Korean, and other martial arts organizations to indicate the level of a person's ability within a given system. Used as a ranking system to quantify skill level in a specific domain, it was originally used at a Go school during the Edo period. It is now also used in most modern Japanese fine and martial arts. (Full article...)
• 

  

  
  In computer science, Monte Carlo tree search (MCTS) is a heuristic search algorithm for some kinds of decision processes, most notably those employed in software that plays board games. In that context MCTS is used to solve the game tree. (Full article...)
• 

  

  
  AlphaGo is a computer program that plays the board game Go. It was developed by the London-based DeepMind Technologies, an acquired subsidiary of Google. Subsequent versions of AlphaGo became increasingly powerful, including a version that competed under the name Master. After retiring from competitive play, AlphaGo Master was succeeded by an even more powerful version known as AlphaGo Zero, which was completely self-taught without learning from human games. AlphaGo Zero was then generalized into a program known as AlphaZero, which played additional games, including chess and shogi. AlphaZero has in turn been succeeded by a program known as MuZero which learns without being taught the rules. (Full article...)
• 
  AlphaGo versus Lee Sedol, also known as the DeepMind Challenge Match, was a five-game Go match between top Go player Lee Sedol and AlphaGo, a computer Go program developed by DeepMind, played in Seoul, South Korea between 9 and 15 March 2016. AlphaGo won all but the fourth game; all games were won by resignation. The match has been compared with the historic chess match between Deep Blue and Garry Kasparov in 1997. (Full article...)
• 
  AlphaZero is a computer program developed by artificial intelligence research company DeepMind to master the games of chess, shogi and go. This algorithm uses an approach similar to AlphaGo Zero. (Full article...)
• 
  The rules of Go govern the play of the game of Go, a two-player board game. The rules have seen some variation over time and from place to place. This article discusses those sets of rules broadly similar to the ones currently in use in East Asia. Even among these, there is a degree of variation. (Full article...)
• 
  
  

  

  Lee Sedol in 2016

  
  Lee Sedol (Korean: 이세돌; born 2 March 1983), or Lee Se-dol, is a South Korean former professional Go player of 9 dan rank. As of February 2016, he ranked second in international titles (18), behind only Lee Chang-ho (21). His nickname is "The Strong Stone" ("Ssen-dol"). In March 2016, he played a notable series of matches against the program AlphaGo that ended in Lee losing 1–4. (Full article...)
• 
  Players of the game of Go often use jargon to describe situations on the board and surrounding the game. Such technical terms are likely to be encountered in books and articles about Go in English as well as other languages. Many of these terms have been borrowed from Japanese, mostly when no short equivalent English term could be found. This article gives an overview of the most important terms. (Full article...)
• 
  Hikaru no Go (ヒカルの碁, lit. Hikaru's Go) is a Japanese manga series based on the board game Go, written by Yumi Hotta and illustrated by Takeshi Obata. The production of the series' Go games was supervised by Go professional Yukari Umezawa. It was serialized in Shueisha's Weekly Shōnen Jump from 1998 to 2003, with its chapters collected into 23 tankōbon volumes. The story follows Hikaru, who discovers a Go board in his grandfather's attic one day. The object turns out to be haunted by a ghost named Sai, the emperor's former Go teacher in the Heian era. Sai finds himself trapped in Hikaru's mind and tells him which moves to play against opponents, astonishing onlookers with the boy's apparent level of skill at the game. (Full article...)

Topics

Subcategories

Category puzzle

Select [►] to view subcategories

Go (game)

Go (game) by country

Go (game) by year

Go portal

Go-related lists

Go competitions

Go equipment

Go games

Games played on Go boards

History of Go

Go organizations

Go players

Go ranks and ratings

Rules of Go

Go shapes

Go (game) software

Go strategy and tactics

Go variants

Works about Go

Go (game) writers

Go stubs

Related portals

Related WikiProjects

WikiProject Sports - WikiProjectGames

WikiProject Go - WikiProject Chess

WikiProject Sports and games biography

Associated Wikimedia

The following Wikimedia Foundation sister projects provide more on this subject:

• 

  Commons
  Free media repository

• 

  Wikibooks
  Free textbooks and manuals

• 

  Wikidata
  Free knowledge base

• 

  Wikinews
  Free-content news

• 

  Wikiquote
  Collection of quotations

• 

  Wikisource
  Free-content library

• 

  Wikiversity
  Free learning tools

• 

  Wiktionary
  Dictionary and thesaurus

Sources

Discover Wikipedia using portals

• 

  List of all portals

• 

  The arts portal

• 

  Biography portal

• 

  Current events portal

• 

  Geography portal

• 

  History portal

• 

  Mathematics portal

• 

  Science portal

• 

  Society portal

• 

  Technology portal

• 

  Random portal

• 

  WikiProject Portals