RTG Problem 26 / Solution

Correct  

Black has a two-point gote (by miai counting) at a for later, which is why this is best. sacrifices one point to gain two.

Half marks  

I think White's ko threat at b is a better one than her ko threat at a in the above solution. Can someone verify that?

Bill: Yes, Wa is a losing ko threat.

Half marks  

Now black is the one with the ko threats, but still not as many points.

Bad play for white  

( fails, so white would not play this way.)

See also Korean Problem Academy/Errata.