Yamaguchi opening rule


Yamaguchi opening rule is a renju opening rule. It was developed by Japanese player Yusui Yamaguchi.

Rule details

The sequence of moves implied by the rule follows.
This rule is very close to an old RIF opening rule and therefore favorited. It gives an average variety of new playable variants in a good number of openings, but some of them don't become playable. More, this opening rule doesn't protect players from a 11D-draw variants.

Tournaments played by this rule

This opening rule is official opening rule for Renju World Championships and Renju Team World Championships since 2009.