Main line: Hashimoto Utaro
Variations: Bill Spight, Dieter
Bending in from the side without the leg leads to ko. If Black wins the ko, he almost fills White's eyespace with a bulky five. The points a and b are miai for that purpose, and thus serve as a ko-threat for White:
If Black plays a, White captures to make a living big eye. If not, White makes seki at a. Let's discuss this at Kanazawa discussion 70.
Go to Problem 71
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