Fighting game

Post by **Joaz Banbeck** » Fri Jul 22, 2011 7:55 am

I probably overplayed here and there. But it was fun. Any comments are welcome.

topazg · Post by **topazg** » Fri Jul 22, 2011 8:23 am

Really nice opening by the way. I much prefer Black after 40 moves.

:b43:

feels like it should be J5 - that seems to make bD6 wE6 bF5 a pain for White without actually starting a weak group fight. By 74 you feel ripped off somehow.

:w50:

at E5 feels much more severe somehow.

White chose a funny, game-crippling "joseki" in the top left

:b93:

at H15 feels more severe because of his floating 4 stones lower down?

By :w94:

, you feel badly outnumbered. Maybe at E12 to fix first?

White should play at F12 anywhere between moves 100 and 110

E12 at 114 is still very awkward for Black.

Horibe · Post by **Horibe** » Fri Jul 22, 2011 9:27 am

I would like to see someone strong comment on black 19. Is this a new joseki?

c7 is what I am used to seeing - and c7 has the advantage of shutting down alot of aji against the corner.

Still Joaz's move has a certain appeal - if a strong player cannot demonstrate a huge flaw...

topazg · Post by **topazg** » Fri Jul 22, 2011 9:31 am

Horibe wrote:I would like to see someone strong comment on black 19. Is this a new joseki?

c7 is what I am used to seeing - and c7 has the advantage of shutting down alot of aji against the corner.

Still Joaz's move has a certain appeal - if a strong player cannot demonstrate a huge flaw...

I agree, C7 is what I expect to see. The only thing I dislike about Joaz's move is that it leaves a fair bit of aji around C10 because White can then hit in at C7. However, I'm not qualified to see if Joaz's move is better in some circumstances.

Post by **Joaz Banbeck** » Fri Jul 22, 2011 11:21 am

topazg wrote:
Horibe wrote:I would like to see someone strong comment on black 19. Is this a new joseki?

c7 is what I am used to seeing - and c7 has the advantage of shutting down alot of aji against the corner.

Still Joaz's move has a certain appeal - if a strong player cannot demonstrate a huge flaw...

I agree, C7 is what I expect to see. The only thing I dislike about Joaz's move is that it leaves a fair bit of aji around C10 because White can then hit in at C7. However, I'm not qualified to see if Joaz's move is better in some circumstances.

I did note that there might be some overplays. :lol:

I only took that risk because of the D16 stone. If the upper left were white or empty, I never would have tried it.

FWIW: Looking at dailyjoseki, C7 is the second most common reply. The most common is to tenuki.

Post by **Joaz Banbeck** » Fri Jul 22, 2011 11:28 am

Horibe wrote:... demonstrate a huge flaw...

I found the huge flaw. White plays C7, black must block at D7. Next white plays C5. Black must block again. Then B6 is atari and black's position is a wreck.

HermanHiddema · Post by **HermanHiddema** » Fri Jul 22, 2011 11:57 am

Joaz Banbeck wrote:
Horibe wrote:... demonstrate a huge flaw...

I found the huge flaw. White plays C7, black must block at D7. Next white plays C5. Black must block again. Then B6 is atari and black's position is a wreck.

Black should respond to C7 with B7:

Click Here To Show Diagram Code: [go]$$Wc is lost, but white's wall is split. $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . 9 , . . . . . $$ | . 8 3 B . . . . . $$ | . 2 1 5 O . . . . $$ | . . X 4 6 0 . . . $$ | . . . O . . . . . $$ | . . X O . 7 . . . $$ | . . X O O X . O . $$ | . . X X O . . . . $$ | . . . . . . . . . $$ +------------------[/go]

Click Here To Show Diagram Code: [go]$$Wc tenuki, is left for aji $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . . , . . . . . $$ | . 5 4 X . . . . . $$ | . 2 1 3 O . . . . $$ | . 6 X . . . . . . $$ | . . . O . . . . . $$ | . . X O . . . . . $$ | . . X O O X . O . $$ | . . X X O . . . . $$ | . . . . . . . . . $$ +------------------[/go]

The result is, IMO, inferior for Black to the usual results here, but at least it isn't devastating.

HermanHiddema · Post by **HermanHiddema** » Fri Jul 22, 2011 12:44 pm

Other general comments:

:b23:

is too early. White has nothing devastating here, and there are huge tracts of unexplored edge beyond yonder hills (i.e. in the upper right).

:w38:

is a huge mistake, r7 is the only move here.

:b45:

Well, now your c7 problem is fixed

Should hane, the cut is unreasonable. Perhaps even double hane

Correct shape is L15

:w94:

White should play L15 and sacrifice.

:b95:

Wrong side, should be K14, attack on a global scale.

:w96:

Should be K14, the white center stones do not cut anything important and can be efficiently sacrificed with E9 etc. later

:b101: Bad shape. You can lean with M16.

:w104: Horrible, should be M14.

:b135: proper shape would be G18

:b147: Always take the ko once!

:b161: Game over

:b175: B6 is sente for the cut at E5...

:b187: The geta works if you want these stones

Post by **Joaz Banbeck** » Fri Jul 22, 2011 6:36 pm

Thanks, everyone.

I can't believe that I overlooked the fact that I could take the ko. :oops:

Numsgil · Post by **Numsgil** » Sun Jul 24, 2011 4:32 pm

at H5? Or did you consider the stones dead anyway and you wanted to prevent white from building thickness?

Post by **Joaz Banbeck** » Sun Jul 24, 2011 5:34 pm

Numsgil wrote::b67: at H5? Or did you consider the stones dead anyway and you wanted to prevent white from building thickness?

I completely missed it.

Numsgil · Post by **Numsgil** » Tue Jul 26, 2011 11:29 am

The circle is now complete. Now *I* am the master. :grumpy:

Post by **Joaz Banbeck** » Tue Jul 26, 2011 8:26 pm

Life In 19x19

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