Page 13 of 20

Re: Magicwand vs. Kirby... Again

Posted: Tue Feb 08, 2011 5:54 pm
by Magicwand
Click Here To Show Diagram Code
[go]$$Wcm101 Captured Stones: black 6, white 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . O . X . X O X X . |
$$ | . . . . . . . . . O X O . X O . X O . |
$$ | . . . X . . . X X X X O O X . X . O . |
$$ | . . . . . . . . X O O O X O O . . . . |
$$ | . . . . . . . . . O . X X X O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . . . O O X . O X . . . |
$$ | . . X . . . . . 3 . O X . X O . . . . |
$$ | . . . , . . . . . X X . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


wow..it is hard to read.. i been reading for past 5 min and i think i have killing move.
i am going for the kill now..
i think it will kill him unconditionally but who knows.. :)
if it is hard for me to readout everything..i think kirby will have taugher time.

Re: Magicwand vs. Kirby... Again

Posted: Tue Feb 08, 2011 6:06 pm
by Magicwand
not for the players: not even magicwand
if black try to cut it will not be successful as below.
Click Here To Show Diagram Code
[go]$$Bcm104 Captured Stones: black 6, white 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . O 9 X . X O X X . |
$$ | . . . . . . . . . O X O . X O . X O . |
$$ | . . . X . . . X X X X O O X . X . O . |
$$ | . . . . . . . . X O O O X O O . . . . |
$$ | . . . . . . . . . O . X X X O . O . . |
$$ | . . . . . . . . . 2 1 X . X O . . . . |
$$ | . . . . . . . . 5 3 O O X 0 O X . . . |
$$ | . . X . . . . . O 4 O X 7 X O . . . . |
$$ | . . . , . . . . . X X 6 8 . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


if he connect his weakness..then i will chase him and make his group bigger.
i will capture him when he get's big enough for me to win comfortably.
i dont think he can live easily. even if he lives he will have to give me back my MARKED captured stones.
Click Here To Show Diagram Code
[go]$$Wcm101 Captured Stones: black 6, white 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . O . X . X O X X . |
$$ | . . . . . . . . . O X O . X O . X O . |
$$ | . . . X . . . X X X X O O X . X . O . |
$$ | . . . . . . . . X O O O X O O . . . . |
$$ | . . . . . . . . . O . X X X O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . . . O O X 5 O X . . . |
$$ | . . X . . . . . 3 . O X . X O . . . . |
$$ | . . . , . . . . . X X 4 . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X W X O O X . . |
$$ | . . O . . . . . . X . X W . X O O X . |
$$ | . . . O . O . . X , X W . W W X X . . |
$$ | . . . . . . . . . . X W W W X X X . . |
$$ | . . . . . . . . . . . X X . W X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Re: Magicwand vs. Kirby... Again

Posted: Wed Feb 09, 2011 1:39 am
by Tommie
Not for the players

Kirby wrote:
Well, I feel like white's last move gives me a few choices. Of course, I want to separate white. If he connects the two groups below, he is a lot more comfortable:
(...)
But there is also the weakness from earlier: (...)
I'd like to deal with this weakness. (...)

Unfortunately, I think that I'll still get cut this way, as before, but I will try my best to fight:

Click Here To Show Diagram Code
[go]$$Bcm1 black: 6 white: 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . 1 . . O X X . |
$$ | . . . . . . . . . O X O . X O . X O . |
$$ | . . . X . . . X . X X O . X . X . O . |
$$ | . . . . . . . . X O O O X 2 . . . . . |
$$ | . . . . . . . . . O . X . . O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . . . O . . . O X . . . |
$$ | . . X . . . . . . . . X . X O . . . . |
$$ | . . . , . . . . . X . . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


The :w2:, above, is pretty severe on me. I do not see how I can avoid getting cut, unless I want ko. For example:

Click Here To Show Diagram Code
[go]$$Bcm1 black: 6 white: 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . 7 6 . . . . |
$$ | . . . . . . . . . . . . 1 . 5 O B B . |
$$ | . . . . . . . . . O X O . X O . B O . |
$$ | . . . X . . . X . X X O 3 X 4 B . O . |
$$ | . . . . . . . . X O O O X 2 . . . . . |
$$ | . . . . . . . . . O . X . . O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . . . O . . . O X . . . |
$$ | . . X . . . . . . . . X . X O . . . . |
$$ | . . . , . . . . . X . . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


It would be a pity to put the marked black stones, above, at risk of being lost by ko.
Alternatively: (...)



In retroperspective (as I primarily doubted the ko, yet thought about a sequence where B's center stones were cut-off),
Kirby's sequence above has the big advantage that the center group IS connected, be it by ko.

Click Here To Show Diagram Code
[go]$$Bcm1 Ko W8@a
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . 7 6 . . . . |
$$ | . . . . . . . . . . . . 1 a 5 O B B . |
$$ | . . . . . . . . . O X O . X O . B O . |
$$ | . . . X . . . X . X X O 3 X 4 B . O . |
$$ | . . . . . . . . X O O O X 2 . . . . . |
$$ | . . . . . . . . . O . X . . O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . . . O . . . O X . . . |
$$ | . . X . . . . . . . . X . X O . . . . |
$$ | . . . , . . . . . X . . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


White has ko threats AND capturing through looks all-dominating.

Click Here To Show Diagram Code
[go]$$Bcm1 Ko W8@a
$$ ---------------------------------------
$$ | . . . . . . . . . . . . a 7 6 . . . . |
$$ | . . . . . . . . . . . . 1 8 . O B B . |
$$ | . . . . . . . . . O X O . X O . B O . |
$$ | . . . X . . . X . X X O 3 X 4 B . O . |
$$ | . . . . . . . . X O O O X 2 . . . . . |
$$ | . . . . . . . . . O . X . . O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . . . O . . . O X . . . |
$$ | . . X . . . . . . . . X . X O . . . . |
$$ | . . . , . . . . . X . . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

If W captures hereafter @A, then he has connected left and right groups.

Then how about avoiding the ko?

Click Here To Show Diagram Code
[go]$$Bcm1 connection B7 - no Ko
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . 6 . . . . |
$$ | . . . . . . . . . . . d 1 7 5 O Z Z . |
$$ | . . . . . . . . . O X P . X O b Z O . |
$$ | . . r X . . . X . X X P 3 X 4 Z . O . |
$$ | . . q . . . . . X P P P X 2 . . . . . |
$$ | . . . p . . . . . P . X x . O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . c . P . . . O X . . . |
$$ | . . X . . . . . . . . X . X O . . . . |
$$ | . . . , . . . . . X . . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


This B7 looks pretty submissive, right?
However, White would have gote @ B in order to capture the tiny 4 stones,
while B would have isolated the W center stones and deprived them of shape & hope.
Cutting point X is protected.

Black on the other hand, while eager to play a P, Q, or R,
should make things safe by controlling White with C.
(otherwise W plays there self in sente by forcing B to defend submissively to D)

Hence, eventually, it would look like this:

Click Here To Show Diagram Code
[go]$$Bcm1 connection B7 - no Ko
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . 6 . . . . |
$$ | . . . . . . . . . . . d 1 7 5 O Z Z . |
$$ | . . . . . . . . . O X P . X O 8 Z O . |
$$ | . . r X . . . X . X X P 3 X 4 Z . O . |
$$ | . . q . . . . . X P P P X 2 . . . . . |
$$ | . . . p . . . . . P . X . . O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . 9 . P . . . O X . . . |
$$ | . . X . . . . . . . . X . X O . . . . |
$$ | . . . , . . . . . X . . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


... and White had to try to mix up things.

I must say that I am impressed how MagicWand was able to complicate things and
make it 'a game' again.

Re: Magicwand vs. Kirby... Again

Posted: Wed Feb 09, 2011 5:08 am
by Kirby
Hmm, I was hoping he would play M10. This is a little complicated...

Re: Magicwand vs. Kirby... Again

Posted: Wed Feb 09, 2011 6:57 am
by Kirby
I have been thinking about this board position a lot. I think that a loss of something might be inevitable. But what is the optimal way to play?

The best situation is not to lose any stones. In that case, I think that I am comfortably ahead.

However, if I do have to give something up, I think the game will be much closer.

Right now, I am struggling to find a way to get myself into that best situation, but so far I have been reading ways to kill black. I'm not to the point where I have given up on that "best situation", but in the event that I cannot read out such a scenario completely, I will have to find the best alternative.

This is going to take some serious thought.

I shouldn't lose hope, though. Magicwand didn't, after all.

Re: Magicwand vs. Kirby... Again

Posted: Wed Feb 09, 2011 7:50 am
by Sverre
Kirby wrote:I have been reading ways to kill black. I'm not to the point where I have given up on that "best situation"

Re: Magicwand vs. Kirby... Again

Posted: Sun Feb 13, 2011 6:19 pm
by Loons
Given Kirby's centre is dead, I still reckon him ahead on the board (though now in the "up to ten" points range, rather than a million). It'll take some kanny maneuvering to still confirm a win here, which is nice for us spectators at least.

Relatedly, Sverre, I don't think that's a typo.


PS
Belated birthday wishes, Kirby. I was traveling and missed the more pertinent thread.

Re: Magicwand vs. Kirby... Again

Posted: Sun Feb 13, 2011 6:42 pm
by Aphelion
I am almost certain that if Kirby loses the center, he will lose the game, if not outright resign (even if he were ahead on the board). I wish I'm wrong, but I don't think Kirby has the mental toughness to keep playing his best after that kind of loss.

Re: Magicwand vs. Kirby... Again

Posted: Mon Feb 14, 2011 2:09 am
by Phelan
Aphelion wrote:
I am almost certain that if Kirby loses the center, he will lose the game, if not outright resign (even if he were ahead on the board). I wish I'm wrong, but I don't think Kirby has the mental toughness to keep playing his best after that kind of loss.


I'm hoping he does. Go Kirby!

Re: Magicwand vs. Kirby... Again

Posted: Mon Feb 14, 2011 8:39 am
by Kirby
Still thinking...


Thanks, Loons.

Re: Magicwand vs. Kirby... Again

Posted: Mon Feb 14, 2011 9:28 am
by Kirby
Click Here To Show Diagram Code
[go]$$Wcm101 Captured Stones: black 6, white 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . O . X . X O X X . |
$$ | . . . . . . . . . O X O . X O . X O . |
$$ | . . . X . . . X X X X O O X . X . O . |
$$ | . . . . . . . . X O O O X O O . . . . |
$$ | . . . . . . . . . O . X X X O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . . . O O X . O X . . . |
$$ | . . X . . . . . O 4 O X . X O . . . . |
$$ | . . . , . . . . . X X . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Well, I think that I've thought through this enough. I can't seem to find a way to deal with my center stones appropriately. I knew that this was going to be a challenge when I selected this path a few moves ago.

However, I will try to make the best of this situation. It is hard to say what will happen for sure, as the situation is a little complex. I will see where he moves before elaborating more on my plan.

Re: Magicwand vs. Kirby... Again

Posted: Mon Feb 14, 2011 9:49 am
by Magicwand
Click Here To Show Diagram Code
[go]$$Wcm101 Captured Stones: black 6, white 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . O . X . X O X X . |
$$ | . . . . . . . . . O X O . X O . X O . |
$$ | . . . X . . . X X X X O O X . X . O . |
$$ | . . . . . . . . X O O O X O O . . . . |
$$ | . . . . . . . . . O . X X X O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . . 5 O O X . O X . . . |
$$ | . . X . . . . . O X O X . X O . . . . |
$$ | . . . , . . . . . X X . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


only move for me.
if he is not going to cut..it is a bad move.
if he is going to cut...it seems bad also.

Re: Magicwand vs. Kirby... Again

Posted: Mon Feb 14, 2011 9:51 am
by Kirby
Click Here To Show Diagram Code
[go]$$Wcm101 Captured Stones: black 6, white 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . O . X . X O X X . |
$$ | . . . . . . . . . O X O . X O . X O . |
$$ | . . . X . . . X X X X O O X . X . O . |
$$ | . . . . . . . . X O O O X O O . . . . |
$$ | . . . . . . . . . O . X X X O . O . . |
$$ | . . . . . . . . . . . X . X O . . . . |
$$ | . . . . . . . . 6 O O O X . O X . . . |
$$ | . . X . . . . . O X O X . X O . . . . |
$$ | . . . , . . . . . X X . . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Re: Magicwand vs. Kirby... Again

Posted: Mon Feb 14, 2011 10:04 am
by Magicwand
Click Here To Show Diagram Code
[go]$$Wcm101 Captured Stones: black 6, white 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . O . X . X O X X . |
$$ | . . . . . . . . . O X O . X O . X O . |
$$ | . . . X . . . X X X X O O X . X . O . |
$$ | . . . . . . . . X O O O X O O . . . . |
$$ | . . . . . . . . . O . X X X O . O . . |
$$ | . . . . . . . . 7 . . X . X O . . . . |
$$ | . . . . . . . 8 X O O O X . O X . . . |
$$ | . . X . . . . . O X O X . X O . . . . |
$$ | . . . , . . . . . X X 9 . . . , . . . |
$$ | . . . O . . . . . . . . . . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

Re: Magicwand vs. Kirby... Again

Posted: Mon Feb 14, 2011 10:05 am
by topazg
Click Here To Show Diagram Code
[go]$$Wcm107 Captured Stones: black 6, white 4
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . O 7 X . X O X X . |
$$ | . . . . . . . . . O X O . X O . X O . |
$$ | . . . X . . . X X X X O O X . X . O . |
$$ | . . . . . . . . X O O O X O O . . . . |
$$ | . . . . . . . . . O . X X X O . O . . |
$$ | . . . . . . . . 1 . . X . X O . . . . |
$$ | . . . . . . . 2 X O O O X . O X . . . |
$$ | . . X . . . . . O X O X 4 X O . . . . |
$$ | . . . , . . . 6 . X X 3 . . . , . . . |
$$ | . . . O . . . . . . . . 5 . O . O . . |
$$ | . . . . . . . . . O O O . . . . . . . |
$$ | . . . . . . . O O X X O X . X . X . . |
$$ | . . X . . . . . X . X X O X O O X . . |
$$ | . . O . . . . . . X . X O . X O O X . |
$$ | . . . O . O . . X , X O . O O X X . . |
$$ | . . . . . . . . . . X O O O X X X . . |
$$ | . . . . . . . . . . . X X . O X O . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Exciting times, I'm feeling worried for Kirby though :(

EDIT: Hehe, posted before magicwand posted, but got a "poster has just said something" message