CR Review test /baduk/

If you understand BES v.s SES, you feel easy.
And, another question, white must make eye?

coffee break

Maybe allmost think this black 1 sequence, isn't it?

I think this sequences are not good for black in some situation.
Because,

3-4 point is strong for triangle marks side, so white is usually challenge A, B, C, D point.
But, in second Dia, white takes triangle side very easily.
Then, which point is strong?

to be continued.

CR step 7. big ES v.s small ES /baduk/

Now, we study big eye-space v.s small eye-space capturing races.
At first, you already know "eye-space-number."
At this Dia, ES 1 group v.s ES 3, it is same to ES v.s ES, because in case of ES 1 ~ 3, eye-space is equal to eye-space-number.

This is 4 eye-space v.s 3 eye-space CR Dia.
In case of 4 eye-space, eye-space-number is "5", eye-space-number is bigger than eye-space.
So we call that black group "big-eye-space".
It is relativity of course.
So, in-spaces are the burden of small-eye-space.

You can imagine x-marks are filled with any stones, and you can count it easily.

At this Dia, there is 4 eye-space, but it is small eye-space because there is 5 eye-space.
So, in-space is the burden of black.

You can imagine like this.

White is 6 eye-space and black is 5 eye-space.
So white is big eye-space, black is small one.
You can count it like below Dia.

It's not end of BES v.s SES.
And, my English ability is poor, so I can't explain full of my knowledge.
I want to find another WRITER of this blog in English.
Please mail to me : hanayeol@naver.com

CR Review test /baduk/

It's easy, if you find only simple result.
I want to know your deep-understanding.