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KK's sente incognito hamete
Difficulty: Beginner
Keywords: Tactics
KarlKnechtel: Beware of strange throw-aways that are actually sente! Anonymous: I wouldn't go so far as to call this hamete - I would call it a ko threat. Maybe KarlKnechtel's line above is a more appropriate title for this page? Wow, I had completely forgotten about this page :) I wrote this when I was about 6 stones (maybe more) weaker than I am now. There is probably some refactoring to be done here - maybe these diagrams, or minor variations, would be useful for examples on other pages about tactics?
This diagram is modified slightly from one which came up in an actual game (played by a friend), where I spotted the hamete. I've adjusted it so that the result of the play is even more severe. :) Notice the space that White is playing in (circled) is surrounded by four strings; there must be a way to exploit those cutting points. White, having thought this out a dozen or so moves ago, quickly plays
Now Black must be really careful, and has already lost some points. The move at the circled point seems obvious, since it saves the
Suddenly, the
So if Black was careless enough not to respond to
White cannot attack the
If he does, he won't be able to get a second eye.
This way, Black connects and gets two eyes, though he still loses points because of missing the first play.
White cannot cut because of shortage of liberties. She must be content to capture, and Black connects - same result as before. Either way, Black has lost five points of territory, while White has made one and taken two prisoners - so This is a copy of the living page "KK's sente incognito hamete" at Sensei's Library. ![]() |