andrel wrote:
> The lower one has at least 5 positions where you will end up having a 
> 50% change and no additional information. The change of surviving this 
> minefield are therefore below 3%.

It's not quite as bad as it looks since the groups on the upper right 
are actually connected to the large unsolved section, so it should be 
possible to solve them indirectly by starting at the lower probability 
blocks on the lower right.  The two on the left there's nothing you can 
do about though.

> Perhaps you can employ something like this to find grids 
> that can be solved with a reasonable chance.

I've thought about this too since the 50% guess patterns are pretty 
annoying.  I probably won't end up actually getting around to it unless 
I get a spurt of renewed interest, but it's a neat idea.

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