[r-t] Bobs only Erin Triples (was: Composition search)

Richard Smith richard at ex-parrot.com
Wed Nov 25 14:47:01 UTC 2015

Alan Burlison wrote:

> On 25/11/2015 13:07, Richard Smith wrote:
>> I've played with it a bit, but never made much headway. The problem is
>> that not many short touches run false so it doesn't prune the search
>> space sufficiently to affect the tractability.  Nevertheless, do try
>> it.  Perhaps you'll have some new insight that's eluded me and the many
>> others who have attempted this.
> Hmm, do you have any feel for how long touches have to be before a 
> significant proportion of them start being false?

This is for a one-part search:



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