Tag Archives: nishio forcing chain

Nishio Forcing Chains?


 Resuming the series on forcing chains, this post reveals that the Nishio forcing chain introduced on Andrew Stuart’s sudokuwiki site  is yet another re-interpretation of the AIC toxic set, a.k.a. the eliminating almost nice loop(ANL).  Here we also assert that … Continue reading

Posted in Advanced Solving, Expert Reviews, Stuart | Tagged , , , | 2 Comments