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Ez Go
Keywords: Tactics, Strategy, Culture & History
Dieter cites the author who calls himself the leading go theorist. Peter is extremely fond of the book, the described overall theory of go, the use of examples to explain theory, and the excellent advice on how to teach. When I was German 4d I got a look into the book but after 20 minutes I lost interest. The author does use his experience from programming in the book and presents more principles than the average book. However, I was very disappointed about the book. Is this because a) I am too strong for the contents, b) I might be a more profound theorist, or c) I use theory for teaching in my books as well but more extensively? Whatever, I have little clues on the following:
BillSpight: I have not read any of Wilcox's books, but I was around when he published the first EZGo articles in the AGA Journal in the '70s. My impression is that EZGo is great for beginners. I think some of it is just wrong. E. g., counting 1 stone as 6 points of territory. At the same time, I think that some of his heuristics are quite helpful. In particular I like the idea of sector lines and the importance of cutting them. You can add to that the idea that cutting shorter sector lines is generally more severe than cutting longer ones. (I learned that from a Japanese book long before EZGo came along. It did not talk about sector lines, OC.) Cutting sector lines fits with the idea of kurai?, which is more general, probably more important, but also vaguer and harder to explain. Sector lines are concrete, and therefore helpful to beginners. Using sector lines to define keshi and the idea that the best place to play keshi is at the center of a sector line is much more problematic. (I do not know if that idea is Wilcox's, though.) One idea that I have found useful is that you do not have to worry about damezumari of a group that has at least 5 dame. It is not something that I had used as a guide, but now when a group has only 4 dame I check the tactical situation. Recently I watched a game in which a Japanese 6-dan made a mistake by reducing his own dame to 4 by answering a ko threat. A neighboring group was loosely connected to the one with 4 dame, and that group had only 2 dame. By throwing in a stone, his opponent made the connection cost 2 dame to the first group, yielding a combined group with only 2 dame. Then came the devastating atari.
Wilcox's dictum that a group with 5 dame is safe from damezumari is wrong. For instance, by adding another loosely connected group to the example above the danger comes when the first group has 6 dame. But the converse is true. Any group with fewer than 5 dame should be checked for damezumari as a matter of course, and one should be wary of reducing one's dame to 4. A strong tactitian has no need for such advice, but it can help the rest of us avoid blunders.
RobertJasiek: What is kurai?:) - Every computer program developer should be able to invent sector lines and a concept of shorter sector lines cutting longer ones, even if it is not used in a program. - I am a strong tactician (though a slow reader), so I am not impressed by liberty or territory rules of thumb. - To summarize: I remain unimpressed:( Bill, thx for your try anyway. DieterVerhofstadt: Robert, I know you think poorly of most English publications in terms of their topic coverage. Do the essays of RichardHunter on CountingLiberties and capturing races get a higher rating ? In any case, they are a rare example of theory then examples and very straight forward and to the point. Is this the style of writing on go theory that you have in mind ?
RobertJasiek: I have not read the BGJ articles nor seen the new Slate and Shell book yet. I see only the I do not give higher ratings just because theory and examples are given in a book; it also depends on how well the theory is treated and presented. Anyway; I have to see his book before I could actually rate it. I do not say that there would be only one good style of writing. Instead I say that so far too few books use some good style at all. I think poorly of most English books' topical coverage, yes. However, on average Asian books are worse:) This is a copy of the living page "Ez Go" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |