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Mirror go

Posted: Tue Jun 22, 2021 1:41 pm
by baduk
Is it commonknowledge that mirror go is bad?it doesnt take place in pro games at all,but are all confident how to punish it? Just wonder how you feel about it.

Re: Mirror go

Posted: Tue Jun 22, 2021 9:51 pm
by RobertJasiek
Mirror go is a valid strategy but weakly studied.

Re: Mirror go

Posted: Wed Jun 23, 2021 3:04 pm
by John Tilley
Mirror Go was studied and played by Fujisawa Hosai 9p, see John Fairbairn's book "9 Dan Showdown" - Fujisawa said "if it's so bad logically, prove it - in games". See the four pages starting at page 7. Go Seigen famously played mirror go against Kitani in their first ever game in 1929 up to move 64.

Don't underestimate mirror go......

Take care - John