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Two corners kills the eye
Path: EyesCollection · Prev: FalseEye · Next: FalseEyeLife
Keywords: Life & Death
The diagram shows an incomplete eye in the center. If White manage to occupy two (or more) of the corner points marked x, then this will become a false eye. The two diagrams below are examples of false eyes.
Evpsych: I don't get this rule, although it is correct. Why are corners special? It seems to me that any 2 of the 8 points that form a square around the eye will "falsify" it. Perhaps others are as confused as I am about this. unkx80: Maybe because if White occupies any of the four non-corner points, then the Black stones will not surround a point, so it should be obvious that there is no eye there. I think this is used for differentiating between a real eye and a false eye. Evpsych: It might be worth pointing out the rationale in any master edit. Bill: Maybe you don't get it because it is wrong. You cannot decide whether an eye is false or not just by looking at these points. However, on the assumption that the White stones in these diagrams are alive, the eyes will very often be false. And, in terms of the life or death of the Black stones, it is rare that the eye will be necessary for life, even if it need not be filled. So, normally, you might as well consider it to be false. For a more detailed discussion on real eyes versus false eyes, please see the recognizing an eye page. More formal definitons are attempted at eye definition discussion. See also: Path: EyesCollection · Prev: FalseEye · Next: FalseEyeLife This is a copy of the living page "Two corners kills the eye" at Sensei's Library. ![]() |