2009년 8월 30일 일요일
CR TIP of easier way /baduk/
So, imagine x marks are filled with any stones.
And, calculate only out-spaces, and you can read it faster.
In this case, white-out-spaces are 5, and black-out-spaces are 6.
So, black wins the race.
And, white has 9 ko threats. ( out-spaces 5 + in-spaces 4 = 9 )
Imagine like this.