It is currently Thu May 01, 2025 2:41 am

All times are UTC - 8 hours [ DST ]




Post new topic Reply to topic  [ 7 posts ] 
Author Message
Offline
 Post subject: A common pseudo-joseki
Post #1 Posted: Tue Aug 02, 2011 7:17 pm 
Lives in gote
User avatar

Posts: 558
Location: Carlisle, England
Liked others: 196
Was liked: 342
IGS: Reisei 1d
Online playing schedule: When I can
Attachment:
contrary.sgf [145 Bytes]
Downloaded 513 times


Hi everybody,

I'm posting a "pseudo-joseki" that seems very popular in the just sub-dan region. I am at a loss as how best to deal with it.

Black has played a low pincer to White's approach to the hoshi stone. White has jumped out and then slid into the corner. I would like to know what you think Black should do when

A) White pushes further into the corner (which is endgame, but, it has the effect of undermining Black's position)
B) White counter-pincers

Thanks a lot for your thoughts!

:bow:

_________________
Learn the "tea-stealing" tesuji! Cho Chikun demonstrates here:

Top
 Profile  
 
Offline
 Post subject: Re: A common pseudo-joseki
Post #2 Posted: Tue Aug 02, 2011 7:27 pm 
Gosei
User avatar

Posts: 1639
Location: Ponte Vedra
Liked others: 642
Was liked: 490
Universal go server handle: Bantari
What can I say... http://www.bantari.com/go/writings/blooper_001.php

_________________
- Bantari
______________________________________________
WARNING: This post might contain Opinions!!


This post by Bantari was liked by 4 people: flOvermind, Hushfield, logan, Tami
Top
 Profile  
 
Offline
 Post subject: Re: A common pseudo-joseki
Post #3 Posted: Tue Aug 02, 2011 7:29 pm 
Gosei
User avatar

Posts: 1848
Location: Bellevue, WA
Liked others: 90
Was liked: 837
Rank: AGA 5d
KGS: Capsule 4d
Tygem: 치킨까스 5d
Tami wrote:
A) White pushes further into the corner (which is endgame, but, it has the effect of undermining Black's position)

Click Here To Show Diagram Code
[go]$$Wc
$$ -----------------------
$$ | . . . . . . . . . . .
$$ | . . 1 O . . . . . . .
$$ | . . X . . O . X . . .
$$ | . . . X . . . . . , .
$$ | . . . . . O . . . . .
$$ | . . . X . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . 2 , . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .[/go]
Make the simple extension; you gain more out of this exchange than White.
Tami wrote:
B) White counter-pincers

Click Here To Show Diagram Code
[go]$$Wc
$$ -----------------------
$$ | . . . . . . . . . . .
$$ | . . . O . . . . . . .
$$ | . . X . . O . X . 1 .
$$ | . . . X . . . . . , .
$$ | . . . . . O . 2 . . .
$$ | . . . X . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .[/go]
The simple jump is fine, it becomes a running fight.

However, I question this exchange:
Click Here To Show Diagram Code
[go]$$Wc
$$ -----------------------
$$ | . . . . . . . . . . .
$$ | . . . 1 . . . . . . .
$$ | . . 2 . . O . X . . .
$$ | . . . X . . . . a , .
$$ | . . . . . O . . . . .
$$ | . . . X . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .[/go]
Normally the joseki is at 'a' to press Black down. I question :w1: because it eliminates the possibility for White to take the corner (by directly invading at the 3-3) if he needs to. It's not quite the same as this:
Click Here To Show Diagram Code
[go]$$Bc
$$ -----------------------
$$ | . . . . . . . . . . .
$$ | . . . 6 . . . 8 . . .
$$ | . . 7 . . 2 . . . . .
$$ | . . . 1 . . . 3 . , .
$$ | . . . . . 4 . . . . .
$$ | . . . 5 . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . , . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .
$$ | . . . . . . . . . . .[/go]
Because White can make a base here*. Because the :b3: is one line lower, White can't make a base.

* Apparently this is outdated joseki, but the idea still remains.


This post by Solomon was liked by 2 people: Tami, Tryphon
Top
 Profile  
 
Offline
 Post subject: Re: A common pseudo-joseki
Post #4 Posted: Tue Aug 02, 2011 7:59 pm 
Lives in gote
User avatar

Posts: 558
Location: Carlisle, England
Liked others: 196
Was liked: 342
IGS: Reisei 1d
Online playing schedule: When I can
To both Bantari and Araban,
Thanks a lot guys! I'm having a "scales falling from my eyes" kind of moment here.

I remember seeing an old version of the "Go Bloopers" article a long time ago, and it is good to see it again. I think it's very well written and amusing too. Please write some more on the same lines!

:tmbup:

_________________
Learn the "tea-stealing" tesuji! Cho Chikun demonstrates here:

Top
 Profile  
 
Offline
 Post subject: Re: A common pseudo-joseki
Post #5 Posted: Tue Aug 02, 2011 9:14 pm 
Honinbo

Posts: 10905
Liked others: 3651
Was liked: 3374
Noseki? Well, maybe.

Here is a fuseki from Go Seigen's 21st Century Go, vol. 1.

[sgf-full](;CA[ISO8859-1]ST[2]AP[GOWrite:2.2.21]FF[4]SZ[19]GM[1]FG[259:]PW[Rui Naiwei]PB[Aoki Shin'ichi]GN[ ]PM[2]
;B[pd]
;W[dd]
;B[pp]
;W[dp]
;B[fq]
;W[hq]
;B[fo]
;W[dn]
;B[dr]
;W[cq]
;B[fm]
;W[dl]
(
;C[*** Go Seigen thinks that this is too close. See variation.]B[jq]
(
;C[*** Go Seigen prefers the attachment. See variation.]W[ip]
;B[jp]
;W[in]
;B[jo]
;W[gn]
;B[eo]
;W[jn]
;B[em]
;W[dm]
;B[fk]
;W[ln]
;B[np]
)
(
;W[jp]
;B[kp]
;W[ip]
;B[kq]
;W[ko]
;B[lo]
;W[kn]
;B[ln]
;W[km]
;B[lm]
;W[kl]
;B[fk]
;W[ll]
;C[*** White is thick.]B[qp]
)

)
(
;B[kq]
;W[io]
;B[ko]
;W[im]
;B[fk]
;W[dj]
;B[fi]
)

)[/sgf-full]

_________________
The Adkins Principle:
At some point, doesn't thinking have to go on?
— Winona Adkins

Visualize whirled peas.

Everything with love. Stay safe.


This post by Bill Spight was liked by: gaius
Top
 Profile  
 
Offline
 Post subject: Re: A common pseudo-joseki
Post #6 Posted: Tue Aug 02, 2011 10:32 pm 
Lives in gote
User avatar

Posts: 558
Location: Carlisle, England
Liked others: 196
Was liked: 342
IGS: Reisei 1d
Online playing schedule: When I can
Thanks for that, Bill.

While I see that White is thick in the attachment variation, it does look like Black gains a not inconsiderable profit in the lower right quadrant.

_________________
Learn the "tea-stealing" tesuji! Cho Chikun demonstrates here:

Top
 Profile  
 
Offline
 Post subject: Re: A common pseudo-joseki
Post #7 Posted: Wed Aug 03, 2011 1:59 am 
Oza
User avatar

Posts: 2508
Liked others: 1304
Was liked: 1128
Tami wrote:
I remember seeing an old version of the "Go Bloopers" article a long time ago, and it is good to see it again. I think it's very well written and amusing too. Please write some more on the same lines!

:tmbup:


+1

_________________
Patience, grasshopper.

Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 7 posts ] 

All times are UTC - 8 hours [ DST ]


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group