Yilun Yang
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Yilun Yang
Yang Yilun (; born May 10, 1951), also spelled Yang Yi-lun, is a Go ranks and ratings, 7 dan professional Go (board game), Go Go players, player, teacher, and author, with special expertise in the formulation of "tsume-go" Life and death, (life-and-death) problems. For many years he has served as the professional Go player of the Yi-lun Yang, Cotsen Go Tournament, the largest annual Go tournament in southern California.Documentation of his 2009 position as the professional player ihere He became a professional in 1966, at the age of 14. He began teaching in the United States in 1986, and is the chief instructor of the American Go Institute in Los Angeles, California. He has taught hundreds of students from Canada, Germany, Hong Kong, Poland, Singapore, Taiwan, and the United States. His co-author Philip Straus wrote: "Mr. Yang has a comprehensive understanding of the meaning of josekis. More importantly, he has developed a method to transfer that understanding to amateur players ...
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Shanghai
Shanghai (; , , Standard Mandarin pronunciation: ) is one of the four direct-administered municipalities of the People's Republic of China (PRC). The city is located on the southern estuary of the Yangtze River, with the Huangpu River flowing through it. With a population of 24.89 million as of 2021, Shanghai is the most populous urban area in China with 39,300,000 inhabitants living in the Shanghai metropolitan area, the second most populous city proper in the world (after Chongqing) and the only city in East Asia with a GDP greater than its corresponding capital. Shanghai ranks second among the administrative divisions of Mainland China in human development index (after Beijing). As of 2018, the Greater Shanghai metropolitan area was estimated to produce a gross metropolitan product (nominal) of nearly 9.1 trillion RMB ($1.33 trillion), exceeding that of Mexico with GDP of $1.22 trillion, the 15th largest in the world. Shanghai is one of the world's major centers for ...
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China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and borders fourteen countries by land, the most of any country in the world, tied with Russia. Covering an area of approximately , it is the world's third largest country by total land area. The country consists of 22 provinces, five autonomous regions, four municipalities, and two Special Administrative Regions (Hong Kong and Macau). The national capital is Beijing, and the most populous city and financial center is Shanghai. Modern Chinese trace their origins to a cradle of civilization in the fertile basin of the Yellow River in the North China Plain. The semi-legendary Xia dynasty in the 21st century BCE and the well-attested Shang and Zhou dynasties developed a bureaucratic political system to serve hereditary monarchies, or dyna ...
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Los Angeles
Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world's most populous megacities. Los Angeles is the commercial, financial, and cultural center of Southern California. With a population of roughly 3.9 million residents within the city limits , Los Angeles is known for its Mediterranean climate, ethnic and cultural diversity, being the home of the Hollywood film industry, and its sprawling metropolitan area. The city of Los Angeles lies in a basin in Southern California adjacent to the Pacific Ocean in the west and extending through the Santa Monica Mountains and north into the San Fernando Valley, with the city bordering the San Gabriel Valley to it's east. It covers about , and is the county seat of Los Angeles County, which is the most populous county in the United States with an estim ...
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California
California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territories of the United States by population, most populous U.S. state and the List of U.S. states and territories by area, 3rd largest by area. It is also the most populated Administrative division, subnational entity in North America and the 34th most populous in the world. The Greater Los Angeles area and the San Francisco Bay Area are the nation's second and fifth most populous Statistical area (United States), urban regions respectively, with the former having more than 18.7million residents and the latter having over 9.6million. Sacramento, California, Sacramento is the state's capital, while Los Angeles is the List of largest California cities by population, most populous city in the state and the List of United States cities by population, ...
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United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories, nine Minor Outlying Islands, and 326 Indian reservations. The United States is also in free association with three Pacific Island sovereign states: the Federated States of Micronesia, the Marshall Islands, and the Republic of Palau. It is the world's third-largest country by both land and total area. It shares land borders with Canada to its north and with Mexico to its south and has maritime borders with the Bahamas, Cuba, Russia, and other nations. With a population of over 333 million, it is the most populous country in the Americas and the third most populous in the world. The national capital of the United States is Washington, D.C. and its most populous city and principal financial center is New York City. Paleo-Americ ...
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American Go Association
The American Go Association (AGA) was founded in 1935, to promote the board game of Go (game), Go in the United States. Founded by chess master Edward Lasker and some friends at Chumley's restaurant in New York City, the AGA is one of the oldest Western Go associations. The AGA publishes a weekly online newsletter that reaches more than 13,000 subscribers worldwideThe American Go E-Journal and an annual ''Yearbook''; maintains a national rating system; organizes an annual national event, The US Go Congress; selects North American representatives in international tournaments; and provides support to its members and chapters as they promote Go in their communities. Events for youth have also been established, including tournaments and an annual AGA youth summer camp that features instruction from professional players. The AGA has developed a Rules of Go#Rule sets, set of rules that attempts to reconcile difference between "area"-based rule sets and "territory"-based rule sets, and ...
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Go Ranks And Ratings
There are various systems of Go ranks and ratings that measure the skill in the traditional board game Go. Traditionally, Go rankings have been measured using a system of dan and kyu ranks. Especially in amateur play, these ranks facilitate the handicapping system, with a difference of one rank roughly corresponding to one free move at the beginning of the game. This system is also commonly used in many East Asian martial arts, where it often corresponds with a belt color. With the ready availability of calculators and computers, rating systems have been introduced. In such systems, a rating is rigorously calculated on the basis of game results. Kyu and dan ranks Traditionally, the level of players has been defined using ''kyu'' and ''dan'' ranks. Kyu ranks are considered ''student'' ranks. Dan ranks are considered ''master'' ranks. Beginners who have just learned the rules of the game are usually around 30th kyu. As they progress, they advance numerically downwards through th ...
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Go (board Game)
Go is an abstract strategy board game for two players in which the aim is to surround more territory than the opponent. The game was invented in China more than 2,500 years ago and is believed to be the oldest board game continuously played to the present day. A 2016 survey by the International Go Federation's 75 member nations found that there are over 46 million people worldwide who know how to play Go and over 20 million current players, the majority of whom live in East Asia. The playing pieces are called stones. One player uses the white stones and the other, black. The players take turns placing the stones on the vacant intersections (''points'') of a board. Once placed on the board, stones may not be moved, but stones are removed from the board if the stone (or group of stones) is surrounded by opposing stones on all orthogonally adjacent points, in which case the stone or group is ''captured''. The game proceeds until neither player wishes to make another move. When ...
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Go Players
This article gives an overview of well-known professional and amateur players of the board game Go throughout the ages. The page has been divided into sections based on the era in which the Go players played and the country in which they played. As this was not necessarily their country of birth, a flag of that country precedes every player's name. For a complete list of player articles, see :Go players. The important dates that this separation is based on are: * The establishment of the Four go houses at the start of the Tokugawa Shogunate. * The demise of the houses in the Meiji Period (end 19th century) followed by their replacement by the Nihon Kiin in 1924. * The start of international tournament Go in 1989 A Japanese census on Go players performed in 2002 estimates that over 24 million people worldwide play Go, most of whom live in Asia. Most of the players listed on this article are professionals, though some top level amateurs have been included. Players famous for ...
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Life And Death
Life and death (死活) is a fundamental concept in the game of Go, where the status of a distinct ''group'' of ''stones'' is determined as either being "alive", where they may remain on the board indefinitely, or "dead", where the group will be lost as "captured". The basic idea can be summarized by: :''A group must have a means to evade capture forever, by securing at least two liberties that can't be filled at the same time (often through two "eyes") to live.'' Explanation The concept of ''Life and death'' is a consequence of two basic Go rules. * ''A group of stones with no liberties is captured.'' * ''A stone may not be played on a position where it will be captured directly, unless it directly captures another group.'' Because of these rules, some groups can never be captured (''alive''), while others cannot avoid capture (''dead''). The group at a is not alive, but may become alive, so is ''unsettled''. The group at b is ''dead''. The group at c and d is ''alive' ...
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Yi-lun 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 ** Athlete, a player in sports ** Player character, a character in a video game or role playing game who is ..., teacher, and author, with special expertise in the formulation of "tsume-go" (life-and-death) problems. For many years he has served as the professional Go player of the Cotsen Go Tournament, the largest annual Go tournament in southern California.Documentation of his 2009 position as the professional player ihere He became a professional in 1966, at the age of 14. He began teaching in the United States in 1986, and is the chief instructor of the American Go Institute in Los Angeles, California. He has taught hundreds of students from Canada, Germany, Hong Kong, Poland, Singapore, Taiwan, and the United States. His co-author Philip S ...
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Kakari
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. Use of Japanese terms Although Go originated in China, the current English and Western technical vocabulary borrows a high proportion of terms from the Japanese language because it was through Japan that the West was introduced to Go. Many of these terms are from a jargon used for technical Go writing and are to some extent specially developed for Go journalism. Some authors of English-language Go materials avoid use of Japanese technical terms, and the way they are applied can differ in subtle ways from the original meanings. A few Korean-language terms have come into use (e.g., ''ha ...
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