What then should Black do about his triangled stone in Dia. 1?
Well, since he already has a big territorial lead he can afford to sacrifice
it. He can do that with Black 1 and 3 in Dia. 3. If he keeps on in the
same spirit with 5 and 7 he gains territory in the center to compensate
for the stone he has lost. His territorial lead remains about the same. If
he avoids fighting and plays like this, he can hardly lose