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HitachiNumber314
HitachiNumber314I...

 

Hitachi Number 314 Intermediate Solution
   

Hitachi Number 314 Intermediate Discussion


[Diagram]
Diag.: April 29th Intermediate Tsumego. Black to play first.

Noel Herradura: Hmmm....


[Diagram]
Diag.: My take.

unkx80: After black 1 and 3, a and b are miai.

Noel Herradura: Wow, that was fast. I didn't even know where to begin with this problem.

unkx80, would you or anyone else be willing to walk us through the rest of this problem? Weaker players like me find it difficult to see how to move next.

unkx80: Sure, no problem. I am very lazy, so tendency is that my posts are very brief and short. =P


[Diagram]
Diag.: Variation.

If white 1 connects, black 2 capture the stone and lives.


[Diagram]
Diag.: Variation.

In this diagram, black 2 captures three white stones to make the second eye.


[Diagram]
Diag.: Variation.

If white 1 ataris, black 2 conencts. Subsequently, the points at 3 and 4 are miai.


[Diagram]
Diag.: Variation.

White 1 atari from the inside will produce the same result. After black 2, the points at 3 and 4 are miai.


[Diagram]
Diag.: Variation.

Finally, if white protects its weakness at 1, black simply makes his second eye at 2.

Noel Herradura: Isn't this a four-line long one-notcher? Couldn't white kill black if she played at a? (Don't forget the other eye at 'b' ;-) Dave). Okay, just proves that I'm an idiot. I thought a would've taken away the second eye.


[Diagram]
Diag.: Comments.

Some comments: From my own experience and intitution in playing Go, in this position, the point to target is a, so the problem becomes how to make it possible. And I know for sure that black b, c, d and e will not help. Black b is answered by white c or a; black c can be answered at b; black d can be answered at a, and black e can be answered at a too.


[Diagram]
Diag.: Failure.

This diagram is to clarify why in the previous diagram, black d (1 in this diagram) will fail. The clamp at 4 is a eye-breaking tesuji.

I hope these helps. =) --unkx80

Noel Herradura: Yes, it was extremely helpful! Thanks again.

unkx80: Welcome. =)


[Diagram]
Diag.: Variation.

DaveSigaty: I think the last point is that B can not strike at unkx80's vital point directly with 1. W's answer at 2 leaves B at a loss - if 3 then 4. The correct answer fixes this weakness, making miai of attacking the weak point at 1 or living at 'b'.



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