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Teaching eyes to beginners discussion
Path: EyesCollection   · Prev: TableOfEyespaces   · Next: WhenFalseEyesAreEyes
    Keywords: Life & Death

unkx80: Discussion moved from two corners kills the eye.


Scartol: Look, my goal is to make Go as easy to understand for beginners as possible (especially since so much of it was so puzzling for me as I was coming up). So I think this way of presenting the idea of real vs. false eyes makes the most sense:

[Diagram]
Real eyes

In general: If black can surround a point with a circle of at least five stones, he has an eye. (In the middle; fewer stones are needed for the sides and corners.) However..


[Diagram]
False eyes

If white fills two of the corner spots in the circle, black's eye becomes false. Note that there are exceptions to this rule; once in a while, a shape can survive that appears to contain false eyes (include above examples).



Skelley: I see what you mean and your effort is very much appreciated. I usually use corner problems to illustrate false eyes to beginners. It seems to me that it is easier for them to understand that way.

[Diagram]
False eye

Something like this.

x is the vital point.

If any of the stones surrounding the eye can be captured then the eye is false.


[Diagram]
False eye

And then this.

x is the vital point.

Bill: I think these are half eyes, not false eyes.


Path: EyesCollection   · Prev: TableOfEyespaces   · Next: WhenFalseEyesAreEyes
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