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

[Richard Smith]

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:

   http://ex-parrot.com/~richard/erin7/true-by-depth.png

RAS