: ( 383)
We would like to show how much Black is behind. Please assume - just in this sub-variation - that Black's moves on the first line are valid ko-threats, and the matching White moves valid responses.
Ko: ; ;
:
Black has no chance to pre-empt White's ko-threats in the upper left corner.
Ko: ; ; ; ; ;
:
This is Black's special ko-threat with the larger eye.
:
To win the game, Black needed six additional ko-threats (). This makes clear that he was hopelessly behind from the very beginning.