The ko rule in Go can get a bit more complex. https://senseis.xmp.net/?Superko https://senseis.xmp.net/?Superko This gif has an example of a Superko (which wo

The ko rule in Go can get a bit more complex. https://senseis.xmp.net/?Superko https://senseis.xmp.net/?Superko This gif has an example of a Superko (which would likely become illegal depending on what ruleset you use): https://towardstengen.files.wordpress.com/2010/03/superkoless-loop.gif https://towardstengen.files.wordpress.com/2010/03/superkoles... Different rulesets (Japanese, Chinese, Korean) define and handle Superko differently.