Nameless Tesuji

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    Keywords: Tesuji

Note, if you know or can invent the names of the tesuji, move diagrams to new pages. (this has been done now for all but the last example --Dieter)

Uberdude: I'd say this is an example of shortage of liberties (Damezumari), though perhaps there is a more specific name for this type on the edge.

Sagari saves and kills  

Imagist: What about "mineshaft tesuji" for this one? The area around 2 looks like a place where white can't follow because she'll fall down the mineshaft (maybe that's my overactive imagination).+

Looks to me like a watari. ~srn347

senderle: Yes, it's a watari, but that term is more general; not every watari involves a shortage of liberties that prevents the opponent from cutting. I like mineshaft tesuji!

Something from the endgame. Beginner's level.

Common with beginners.  

W1 gives double atari ignoring the osae, black tries to attack back with B2, and W3 cuts. Further analysed at Send Two Return One Watari.

The same tesuji  

Jared Beck: The same tesuji, also common with beginners. I wish I still got to play simple tesuji like this. My opponents don't make such mistakes anymore!

Rather than calling this move a tesuji, however, I think makes more sense to call Black 2 "Anti-suji" This paradigm of learning the wrong move is more helpful to beginners than the paradigm of learning the response to the wrong move.

I borrow the term "Anti-suji" from Sakata Eio's book "Tesuji and Anti-suji of Go"

Bill: How about cut-back?

Paul: I love this tesuji because my friend and I discovered it ourselves when we used to play Go together when at primary school. My friend used to call it "the old sea captain's trick"!

Guest: As a begineer I'd really appreciate some clues as to a good response to this.

Bill: Play B2 at 3.

Another quite common situation.  

This happens sometimes even at IGS 5k* level. But in most games it is never played and remains a hidden threat that limits opponent's freedom of choice.

If you look at it this really is just a ladder that turns around a stone. You can call it a "Ladder" so it really isn't nameless. -Enz0

Bill: How about roll-up?

Tesuji from joseki 2  

Calvin: B1 is a light way to play, which makes miai of a and b.

Both of these tesuji work by making the opponent choose between answering an attachment (which is usually good) or protecting or taking advantage of a move nearby. Either way, you get something. I find this idea rather interesting, but don't know what they are called.
tderz: That example is either in GalacticGo (Vol. 1) or in "Whole board Tesujis". I will check whether they gave it a name there.

Slarty: Yes it's interesting, although an idea instead of a local pattern. Perhaps "creating a (second) good followup," "tenuki probe" or "contact with miai followup." Playing two local moves in a row: "time travel"

See also:

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Nameless Tesuji last edited by Dieter on April 24, 2014 - 17:03
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