Cut problem 1 / Discussion

 

@ ; @ ; @

 

Black still wins the semeai in this variation.

 

...and fight the ko?

 

ChrisSchack: Wouldn't B just play 4 at 5 to avoid the ko? The best I can see W doing is closing off the right in sente.

 

Karl Knechtel: How about this? Depending on what's further up the right side, Black might be able to just escape.