There are many positions, which repeat themselves. Here are some examples of them:
Some of these will cause severe headache for the people who try to figure out some decent KoRules. Depending on the rules, any position might be recreated.
PathsSecondCourseOnKo
Referenced byKoJigoTsumegoConventionsUnusualGobansBeginnerExercise1...BeginnerExercise1...