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BQM139
Path: BigQuestionMark · Prev: BQM138 · Next: BQM140
Keywords: Joseki, Question
IlyaM: Given this position how to punish this non-joseki move?
I've seen it being played by my opponents several times. From my games it looks that I have to spend another move at 'a' or white takes this point an black corner gets in trouble. But if I spend a move here at 'a' white can attack marked black easily with 'b' or 'c' (easily = I don't know good reply).
I tried GoBase search and according it there are only two games where this non-joseki move was played (update - actually one of these games matched the pattern by accident and it was not a joseki play at all but an invasion) [1]. There must be a good reason why it is beeing avoided in pro games but unfortunately I've not been able to find good follow-up moves which "punish" it.
Joonas Tyystjarvi: I think black needs a here. It seems to me that the purpose of For reference, the following is joseki. This way, white avoids fighting and makes a strong group in the center.
Klaus:
IlyaM: I understand that non-joseki move can make sense considering whole board position but the fact that this move practically doesn't exist in pro games whatever the global position makes me think that pros consider this move to be almost always bad. Given that this move is very common in DDK games I'd love to understand why.
[1] IlyaM: This is a game from GoBase search where non-joseki moves were played:
unkx80:
Bill: Locally, trading
Here is a similar example from a game between Rui Nai Wei (White) and Aoki Shin-Ichi (Black), discussed in 21st Century Go, vol. 1 by Go Seigen, p. 166.
Go Seigen has no comment about
Go Seigen recommends this continuation, with a 2-space pincer. Note that Black does not fear the exchange, Path: BigQuestionMark · Prev: BQM138 · Next: BQM140 This is a copy of the living page "BQM139" at Sensei's Library. ![]() |