When Not to Connect Against a Peep

From Modern Famous Games, vol. 9, p. 238.

One reason for was to forestall a Black peep at a before . Later White separates from and connects his own stones.

Exception 2

From Modern Famous Games, vol. 6, p. 270.

is not joseki, but it works with .

Perhaps influenced by the fact that there was no komi, Go Seigen played from the "wrong" side.^[1] Doing so forestalls a Black moyo on the bottom.

In the brief commentary, Go Seigen did not like , preferring W a.

With Takagawa started a fight. Perhaps he had played with in mind, to make use of his wall.

Exception 3

From Modern Famous Games, vol. 10, pp. 78 - 79.

Fujisawa did not immediately reply to the peep, , but made an incursion into White's moyo, starting with .

Later, when he did reply, Fujisawa played , which connects to the stones above and threatens .

Note . White does not immediately cut off the stone, but sets up a miai.