Stopping the 3-3 Invasion

[Eugene]

You might be interested in a thread on this topic, and particularly this post in that thread:

Learning about when the corner is safe

Quick reference (N.B.: I’m an sdk, so there might be mistakes): type of enclosure -> invasion aji 1 small knight -> ko 2 small knights -> ko 1 large knight -> live 2 large knights -> live 1 one point jump -> live 1 one point jump + diagonal -> dead, but small corner or live and enclose 1 small knight + diagonal -> dead 1 small knight + diagonal, but diagonal is result of a kick -> dead, but with a nasty potential cut 1 small knight + 2nd line one point jump -> dead 1 small knight + ir…