BQM 86

    Keywords: Tactics, Question
Why Black cannot cut?  

I have seen this kind of pattern played by high ranked players quite often. Why is the peep at B1 better than the cut at W2? It is probably related to don't try to cut the one-point jump, but this move forces White to connect, which is what he expected in the first place, isn't it somewhat a thank you move? Why doesn't a cut put more pressure on White? And my last related question, what could be the best White answer to a black cut at W2?

A risky idea  

Charles Matthews If B1 is played with the intention of cutting with B5, it drives White into the corner - which White anyway is happy to take over. In return Black gets some chance of an attack against the white+circle stones. At this stage of the game this appears to be a clear loss.

Andre Engels: There is also the point that there are 4 ways to answer the cut: White can atari at either side, and then connect on either side. For the cut to be good, Black should have a good result in all 4 ways. Here things seems almost the opposite. Charles' sequence is probably best, but at least two of the others aren't bad either:

Right atari, lower connection  

This one is not good for White. She does break into the right side, but Black gets a good amount of territory and the marked stones are safe now.

left atari, upper connection  

Black captures two white stones, but the amount of territory he gets this way is surprisingly small. Given that White can play white a to black d in sente it isn't more than 6 points or so. At the same time, Black's stones on the top are considerably weakened. This result is terrible for Black.

Left atari, center connection  

In this variation Black again takes a modest amount of territory (although some more as above, since the corner is secure now), but again his stones are weakened severely.

BQM 86 last edited by on May 7, 2004 - 20:11
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