Sealing in by cutting across

    Keywords: Tesuji, Shape

Table of contents

Starting position  

Black can set up a useful sequence by cutting across

Sealing in  

Black threatens to cut White apart. By capturing B1 firmly with W4 White keeps her stones connected, but now Black can play B5 in sente, sealing White in.

On /discussion, we discuss the merits of giving atari by W4 at a before capturing at B1.

Technique as explained by Tesuji Dictionary

From Fujisawa Hideyuki's Tesuji Dictionary (vol. I, p.63)  

In professional practice

Moves 45 to 51  

Black is O Meien, White is Lee Sedol. White is sealed in and proceeds at a to make life for his stones. W4 resists against the above mentioned technique:

Moves 45 to 51  

Regardless the fact that W4 makes a ladder that doesn't work, Black connecting with B5 and B7 is probably unbearable.

Sealing in by cutting across last edited by tapir on August 24, 2011 - 15:58
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