Moskowitz 2013, p. 14. Moskowitz, Marc L. (2013), "Weiqi Legends, then and now: Cultural Paradigms in the Game of Go", in Lent, John; Fitzsimmons, Lorna (eds.), Asian Popular Culture, United Kingdom: Lexington Books, ISBN978-0-7391-7961-1, retrieved May 9, 2014
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A full explanation of the eternal life position can be found on Sensei's Library, it also appears in the official text for Japanese Rules, see translation.
Chen; et al. (2003), "A functional MRI study of high-level cognition II. The game of GO", Cognitive Brain Research, 16 (1): 32–7, doi:10.1016/S0926-6410(02)00206-9, PMID12589886
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Kiseido clearance sale lists the regular price for a Shihomasa Kaya Go Board with legs (20.4 cm or 8.0 in thick) as $60,000+
Pinckard, William (n.d.). "Go and the Three Games". In Bozulich, Richard (ed.). The Go Player's Almanac (2nd ed.). Kiseido Publishing Company (published 2001). ISBN978-4-906574-40-7. Archived from the original on 2019-09-05. Retrieved 2008-06-11.
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Tromp, John; Farnebäck, Gunnar (January 31, 2016). "Combinatorics of Go"(PDF). tromp.github.io. Archived(PDF) from the original on January 25, 2016. Retrieved June 17, 2020.
Tavernier, Karel (Spring 1998). "Analyzing Ko Struggles Theoretically"(PDF). British Go Journal (110): 11. Archived(PDF) from the original on 31 January 2015. Retrieved 8 October 2013.
Potter, Donald L. (1984). "Go in the Classics". Go World. No. 37. Tokyo: Ishi Press. pp. 16–18. – Potter, Donald L. (1985). "Go in the Classics (ii): the Tso-chuan". Go World. No. 42. Tokyo: Ishi Press. pp. 19–21. Via "Go in the Classics". Kiseido Publishing Company. Archived from the original on 2010-12-18. Retrieved 2007-11-02.
Chen 2011, p. 1. Chen, Zuyuan (2011), The History of Go Rules(PDF), American Go Association, archived(PDF) from the original on May 15, 2013, retrieved May 7, 2014
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Whether or not a group is weak or strong refers to the ease with which it can be killed or made to live. See this article by Benjamin Teuber, amateur 6 dan, for some views on how important this is felt to be.
A full explanation of the eternal life position can be found on Sensei's Library, it also appears in the official text for Japanese Rules, see translation.