Why players don't try to occupy opponent's territory with living group of stones at the end of a game?

[yebellz]

A related discussion about how big can surround territory be before it is feasible for an invasion take hold:

When is 3-3 alive?

Inspired by @bugcat’s OGS proverb and especially from playing a lot of 9x9, I’ve become interested in whether a lone stone at 3-3 can make territory or be killed, depending on nearby threats. For example, I would expect to kill Black in this position: [image] If Black plays first at the marked point instead, his stones will live. Often the outcome seems obvious (to me at 8 kyu), but sometimes it’s unclear, so I was thinking that a good way to get stronger would be to systematically learn a bun…

In that thread, we even played some test games.

Relevant Sensei’s Library article: Biggest Corner at Sensei's Library