Page 4 of 22

Re: #197 Magicwand vs Joaz Banbeck

Posted: Sat Jan 12, 2013 11:44 pm
by Joaz Banbeck
Click Here To Show Diagram Code
[go]$$Wcm1 Prisoners: none
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . O B X . . . |
$$ | . . . . . . . . . . . . . X O . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


No other choice, really. I do hope that I have read this correctly.

Re: #197 Magicwand vs Joaz Banbeck

Posted: Sun Jan 13, 2013 7:18 am
by Magicwand
Click Here To Show Diagram Code
[go]$$Wcm1 Prisoners: none
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . O X X . . . |
$$ | . . . . . . . . . . . . W X O . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
those tho played many handycap game should be familiar with this variations..

Re: #197 Magicwand vs Joaz Banbeck

Posted: Sun Jan 13, 2013 11:10 am
by Joaz Banbeck
Click Here To Show Diagram Code
[go]$$Wcm1 Prisoners: none
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . O X X . . . |
$$ | . . . . . . . . . . . . O X O . . . . |
$$ | . . . . . . . . . . . . . B . X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Running immediately gives him a strong position AND sente.

Click Here To Show Diagram Code
[go]$$Bcm1 Easy ponnuki for him
$$ --------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . X . . . . . . . . . . . 3 . . . . |
$$ | . . . , . . . . . , . . . 1 . , . . . |
$$ | . . . . . . . . . . . . . O X X . . . |
$$ | . . . . . . . . . . . . W X O . . . . |
$$ | . . . . . . . . . . . . . 2 . X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ -------------------------------------[/go]


So I'll follow the proverb about sacrificing two stones. They will die eventually, of course, but they will earn me sente if nothing else.

I think that the game goes like this:

Click Here To Show Diagram Code
[go]$$Bcm1 Prisoners: none
$$ ----------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . X . . . . . . . . . . . 5 . . . . |
$$ | . . . , . . . . . , . . . 3 . , . . . |
$$ | . . . . . . . . . . . . 4 O X X . . . |
$$ | . . . . . . . . . . . . O X O . . . . |
$$ | . . . . . . . . . . . . . 1 2 X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ --------------------------------------[/go]

...or like this:

Click Here To Show Diagram Code
[go]$$Bcm1 Prisoners: none
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . 6 . . . . |
$$ | . . . . . . . . . . . . . 7 . O . . . |
$$ | . . X . . . . . . . . . . . 3 5 . . . |
$$ | . . . , . . . . . , . . . 4 . , . . . |
$$ | . . . . . . . . . . . . . O X X . . . |
$$ | . . . . . . . . . . . . O X O . . . . |
$$ | . . . . . . . . . . . . . 1 2 X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

I still have to decide.


Beginner stuff:

There are two useful proverbs here:
1) A ponnuki is worth 30 points.
2) Add to the sacrifice stone.

I recommend looking up these in Sensei's Library, or getting a dead tree version of Kensaku Segoe's 'Go Proverbs Illustrated'.

Re: #197 Magicwand vs Joaz Banbeck

Posted: Sun Jan 13, 2013 11:42 am
by quantumf
Question not for players
2) Add to the sacrifice stone.


Does that proverb also apply to central battles? I was sort of under the vague impression that it was generally reserved for edge sacrifices.

Re: #197 Magicwand vs Joaz Banbeck

Posted: Sun Jan 13, 2013 12:44 pm
by Phoenix
quantumf wrote:Question not for players
2) Add to the sacrifice stone.


Does that proverb also apply to central battles? I was sort of under the vague impression that it was generally reserved for edge sacrifices.


That is exactly what the proverb refers to. And it's been helpful to millions of players when dealing with battles on the edges. Adding to dead or weak stones without a plan in the middle is questionable at best. I don't see how his stones will help when MW eventually makes an even larger ponnuki...

And it's not about the variation. There are good forcing moves to be made from the outside if you leave the Black stone near-surrounded. Ignoring a contact play which also happens to cut off your stone is also not ordinary. IMO, this was definitely not the time to move the lone black stone out.

Re: #197 Magicwand vs Joaz Banbeck

Posted: Sun Jan 13, 2013 1:31 pm
by lemmata
Phoenix wrote:That is exactly what the proverb refers to. And it's been helpful to millions of players when dealing with battles on the edges. Adding to dead or weak stones without a plan in the middle is questionable at best. I don't see how his stones will help when MW eventually makes an even larger ponnuki...

I don't know if the move was good or bad, but the proverb does apply to non-edge locales as well. The unstated principle behind the proverb is that adding liberties to the sacrifice stone makes it possible to use it more times. Of course, like all proverbs, everything depends on the situation. In Joaz' hidden diagrams, he gets more forcing moves on the outside when he adds a stone (compared to the ponnuki diagram). Given that the corner is now under threat, this might be important. Of course, Magicwand will probably find a fun way to make trouble anyways, but I think that this is what Joaz was thinking.

Re: #197 Magicwand vs Joaz Banbeck

Posted: Sun Jan 13, 2013 3:53 pm
by Magicwand
Click Here To Show Diagram Code
[go]$$Wcm1 Prisoners: none
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . O X X . . . |
$$ | . . . . . . . . . . . . O X O . . . . |
$$ | . . . . . . . . . . . . . X W X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Re: #197 Magicwand vs Joaz Banbeck

Posted: Mon Jan 14, 2013 8:06 am
by Magicwand
Click Here To Show Diagram Code
[go]$$Wcm1 Prisoners: none
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . B . , . . . |
$$ | . . . . . . . . . . . . W O X X . . . |
$$ | . . . . . . . . . . . . O X O . . . . |
$$ | . . . . . . . . . . . . . X O X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

i think upto this point is oneway street. let me know if not.

Re: #197 Magicwand vs Joaz Banbeck

Posted: Mon Jan 14, 2013 8:44 am
by Joaz Banbeck
Impatient to go after my lower right corner, eh? :lol:

Re: #197 Magicwand vs Joaz Banbeck

Posted: Wed Jan 16, 2013 1:10 pm
by Joaz Banbeck
Sorry, MW and others, but life is busy here. I should have a move in the next day or so.

Re: #197 Magicwand vs Joaz Banbeck

Posted: Wed Jan 16, 2013 3:39 pm
by Joaz Banbeck
Click Here To Show Diagram Code
[go]$$Bcm1 Prisoners: none
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . O . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . 1 . , 3 . . |
$$ | . . . . . . . . . . . . 2 O X X . . . |
$$ | . . . . . . . . . . . . O X O . . . . |
$$ | . . . . . . . . . . . . . X O X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Re: #197 Magicwand vs Joaz Banbeck

Posted: Wed Jan 16, 2013 4:50 pm
by Magicwand
Click Here To Show Diagram Code
[go]$$Bcm1 Prisoners: none
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . 4 . O . . . |
$$ | . . X . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . 1 . , 3 . . |
$$ | . . . . . . . . . . . . 2 O X X . . . |
$$ | . . . . . . . . . . . . O X O . . . . |
$$ | . . . . . . . . . . . . . X O X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
not what I expected. Now he is forcing me to fight. I will

Re: #197 Magicwand vs Joaz Banbeck

Posted: Wed Jan 16, 2013 6:23 pm
by Loons
Can someone elucidate on that one way street? Apologies if I missed it, on cellphone.

Re: #197 Magicwand vs Joaz Banbeck

Posted: Wed Jan 16, 2013 7:20 pm
by Joaz Banbeck
Loons wrote:Can someone elucidate on that one way street? Apologies if I missed it, on cellphone.


If I play something - like P11 - that does not clearly maintain sente, he plays S9. That leads to his 6th rank stones being safe enough that he can play 3-3 with impunity.

Re: #197 Magicwand vs Joaz Banbeck

Posted: Wed Jan 16, 2013 7:57 pm
by Joaz Banbeck
Click Here To Show Diagram Code
[go]$$Bcm1 Prisoners: none
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . X . . . |
$$ | . . X O . . . . . . O . . O . . . . . |
$$ | . . X , . . O . . X . . . . . X . . . |
$$ | . . . X . . . . . . . O X . . . . . . |
$$ | . . . . . . . . . . . . . . . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . O . O . . . |
$$ | . . X . . . . . . . . . B . . . . . . |
$$ | . . . , . . . . . , . . . X . , X . . |
$$ | . . . . . . . . . . . . O O X X . . . |
$$ | . . . . . . . . . . . . O X O . . . . |
$$ | . . . . . . . . . . . . . X O X . . . |
$$ | . . . . . . . . . . . . . . O O O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . , . . . X . X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


The only reasonable way out.