Done, with green and red.

& this one indeed with a short forcing chain. it gave some sense of beauty. strange. how can a simple SAT problem be beautiful...

go

done with 1 guess

done with 1 guess

dng

go

done

done

dwg and 0 guesses

go

done

*wants to tear hair out just seeing it's an expert, before even trying it*

It's not that bad, hurshy.

*grumble*

You'll enjoy it. You get a long way before anything Expert kicks in.

*hmph*

i'm hurshy the grouch

I'm at the point where I'm trying to work through the ending in my head, no green. I may be able to do it. If so, I'll be proud of myself.

i should think so

i've screwed it up

Did it. No green. No guess. (although the last was a little iffy.)

greens and a y-wing is all it took; congrats to any who got it without greens

 

Done.

Go

Done with greens

never could find the y wing gman, but a forcing chain did the trick