Life In 19x19
http://www.lifein19x19.com/

tygem
http://www.lifein19x19.com/viewtopic.php?f=4&t=6451
Page 1 of 1

Author:  sefo [ Mon Aug 06, 2012 10:30 pm ]
Post subject:  tygem

Played on tygem as 11k.
I usually don't take blitz seriously, but since it was a relatively close game, I'd like to see if there's any bad habit I should get rid of. (other than not play blitz...)



Attachments:
tygem001.sgf [1.38 KiB]
Downloaded 392 times

Author:  EdLee [ Mon Aug 06, 2012 10:56 pm ]
Post subject: 

sefo wrote:
if there's any bad habit I should get rid of.
Yes. Broken shapes; free gifts to your opponent; forcing your opponent to get a ponnuki in sente, etc.

Author:  sefo [ Mon Aug 06, 2012 11:22 pm ]
Post subject:  Re: tygem

oh, thanks for pointing out moves 50-52, I tend to do that very often!

A question though, on move 32 and 98, can we talk about broken shape when I just have 2 live groups separated? I think they are broken shapes when the groups are weak and you try to connect them. Here I didn't care about connecting, they're alive and I don't need to worry about the corner (m32) or the side (m98)

I this case I see these moves as securing points rather making connections and let the opponent take the territory. B slides between 2 live groups but he is not making points.

I understand the broken shape theory, but in this case it doesn't seem to make sense.

Thanks for the help.

Author:  EdLee [ Tue Aug 07, 2012 4:10 am ]
Post subject: 

sefo wrote:
A question though, on move 32 and 98...
I understand the broken shape theory, but in this case it doesn't seem to make sense.
Good questions. You are confusing cuts with broken shapes.
See also http://senseis.xmp.net/?SqueezingOutTheToothpaste
sefo wrote:
can we talk about broken shape when I just have 2 live groups separated?
I think they are broken shapes when the groups are weak and you try to connect them.
Broken shape is not about separating live or weak groups (although it can do that).
Broken shapes are shape problems, not (necessarily) life-and-death problems (which is the point about cutting weak groups).

For the broken shape of :w30:, see the variation of :b37:.
If it was the upper left corner that you wanted (which it was),
then it was :w24: that was the problem -- wrong direction.
The broken shape of :w30: is hurting yourself first:
if :w30: at F16 instead, then you're building a nice W wall -- in the game, B crushes your shape,
and suddenly your G16 group went from a source of strength (the wall)
to a potential weak group. This swing (from strength to weakness) is huge --
this is the damage of the broken shape.

To quote an L19 frequent contributor shapenaji, :w30: makes my eyes bleed.

For :w98:, once again the question is why do you want to hurt yourself first?
The :w96: push, then :w98: broken shape -- it's another story if it was Black
who was weak and you were attacking B, trying to make B heavy.
But here, it's the R6 W group that was weak, and the broken shape just hurt yourself more.
Instead of :w96: and :w98:, you could've just jumped to P9 directly (instead of :w96:).
sefo wrote:
they're alive and I don't need to worry about the corner ( :w32:) or the side ( :w98:)
It's exact opposite: after the broken shapes in both cases,
you DO have to worry about the upper left corner and also your weak H16 and R6 groups!

Author:  sefo [ Tue Aug 07, 2012 7:27 am ]
Post subject:  Re: tygem

Thanks a lot for the explanation. I'll defenitely work on it.

Author:  Joaz Banbeck [ Tue Aug 07, 2012 12:02 pm ]
Post subject:  Re: tygem

Not a bad game. The most remarkable thing about it is how long big plays on the left side went unnoticed by both of you. :o



PS: I glanced at Ed's comments. I like his move 24 even better than mine.

Page 1 of 1 All times are UTC - 8 hours [ DST ]
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group
http://www.phpbb.com/