Cho U no Tokusen Tsumego

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Chou U no Tokusen Tsumego
By: Cho U
Publisher: Nihon Kiin, 2008
ISBN13 978-4-8182-0599-4

張栩の特選詰碁 (Chou U no Tokusen Tsumego, Specially Selected Tsumego by Cho U) is a collection of tsumego problems composed by Cho U, published in 2008 by the Nihon Kiin. The page for it is [ext] here


Bob McGuigan: Unlike Cho U's Tsumego this book includes less difficult problems. There are 55 problems ranging in difficulty from 1.5 stars to 5 stars. Cho says the problems are basically for players shodan or stronger; problems rated three or more stars are suitable for high dan level players. For some of the more difficult problems Cho gives some of the variations as easier problems. About a third of the problems result in ko, including approach move kos. These problems are probably too difficult for most kyu level players but Cho writes of enjoying tsumego problems, meaning puzzling over them for a reasonable amount of time then marveling over the solutions and variations.

Table of Contents

The book begins with simple small diagrams for all 55 problems. There follow three sections in which each problem is stated with a large diagram and solutions with analysis of variations are given on the following pages:

Part 1, Simple Problems (Problem 1 through Problem 20; one-and-a-half star and two star problems)

Part 2, Specially Selected Problems (Problem 21 through Problem 48; two-and-a-half, three, and three-and-a-half star problems)

Part 3, Challenging Problems (Problems 49 through 55; four, four-and-a half, and five star problems)

Sample Material

Here is problem 29, a three star problem:

Black to play  

Cho U no Tokusen Tsumego last edited by velobici on December 14, 2008 - 00:57
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