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5 votes
Accepted

Tricky 3-3 invasion

I know this is a textbook situation, but I do not practice tsumego, so I had to read through this. It was quite tricky and took some time to, hopefully, get right. The strongest (i.e. hardest to ...
mafu's user avatar
  • 7,028
2 votes

What is the smallest territory in go that can be successfully invaded?

I've seen and played a version of this were you put the black stones along the center lines of a regular 19x19 board so you carve out a 9x9 space. White is then supposed to create a living group ...
quarague's user avatar
  • 263
2 votes

How do I chose invasion or reduction points?

I decided to revisit this post with the help of Leela Zero. LZ's assessment is that there is no good move for black above the 11th line. The sequences are fascinating, here is the start of one: $$...
Christophe's user avatar
  • 1,091
1 vote

Tricky 3-3 invasion

The black stone at Q18 is in a ladder, albeit a short one. If black pushes this, with R18, black will eventually be killed and white will live. R18 is a strong KO-threat, however, because if it is ...
David Siegel's user avatar
  • 1,197
1 vote

How do I chose invasion or reduction points?

Given the size of White's territory, you are probably behind. Then the question is, can you catch up, and if so, how? I'll save the first question for last, and answer the others in order: 2) You ...
Tom Au's user avatar
  • 22.1k

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