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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #81 Posted: Fri May 07, 2010 2:41 pm 
Tengen
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KGS: topazg
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[go]$$Wcm58 Move 58
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X 1 . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts

Well, that's just huge. That's like 30 points gained to me locally. It's a good sign for the game overall - Lots to do still though!

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #82 Posted: Fri May 07, 2010 2:44 pm 
Gosei
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KGS: Chew
Go Numsgil! You can do it! Remember, 70 is a LARGE number...

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #83 Posted: Fri May 07, 2010 3:58 pm 
Lives in gote
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Rank: 1 Kyu KGS
KGS: Numsgil
Click Here To Show Diagram Code
[go]$$Bcm59 Move 59
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . 1 . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]



Strategy and Thoughts
So I was outplayed twice or three times in this corner. My black group is now basically dead, and white has formidable thickness. Oops.

Unfortunately for white, he only gets this thickness in ladder form. And ladders are not great because they have weaknesses on other sides of the board.


Tactics and Variations
First thought was this ladder breaker (59). Only it's not actually a ladder breaker. Would have been an awesome way to salvage points, if it were.

Click Here To Show Diagram Code
[go]$$Bcm59 Move 59
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O B B W . . . . . . . . . . |
$$ | . . X O . . W B B W . . . . . . . . . |
$$ | . . X X . . . W B B W . . . . . . . . |
$$ | . . . . . . . . W B B W . . . . . . . |
$$ | . . . , . . . . . W B B W . . , . . . |
$$ | . . . . . . . . . . W B B W . . . . . |
$$ | . . . O . . . . . . . W 3 5 6 . . . . |
$$ | . . . . . . . . . . . . 4 7 1 8 . . . |
$$ | . . . . . . . . . . . . . O 2 O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


So that's no good. I also thought about trying to capture white on a grand scale. Set up a series of squeezing plays.

Click Here To Show Diagram Code
[go]$$Wcm58 Move 58
$$ ---------------------------------------
$$ | . . . . . . 6 7 8 . . . . . . . . . . |
$$ | . O O X . X O O 2 . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O 4 O . , . . . . . X . . . |
$$ | . O X O . O 5 1 . . . . . . . . . . . |
$$ | . . X O . O 3 . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


But the reality is white has way more liberties than me. There's no way to win that capture race, even if white let me set it up as a capture race. Going back to ladder breakers, I just need to reposition it a bit. This works as a ladder breaker, and helps my stone here out a bit. I'll have to work out the best follow up.

Of course, if white manages to capture these stones too, things start to look pretty bleak.

Click Here To Show Diagram Code
[go]$$Bcm59 Move 59
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O 2 . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . 3 1 . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Last, here's another thought: take the opportunity to form a large scale moyo:

Click Here To Show Diagram Code
[go]$$Bcm59 Move 59
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O 2 . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . 3 . 1 . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


However, realistically, I don't see getting much of that as territory. White is fairly thick along the bottom, and the white stone smack dab in the middle shouldn't have a hard time either finding life or running.


edit: typo

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #84 Posted: Fri May 07, 2010 4:06 pm 
Tengen
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Posts: 4511
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KGS: topazg
Click Here To Show Diagram Code
[go]$$Wcm60 Move 60
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . 1 . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts

Ok, trading a ladder breaker to a) threaten to make Black heavier, and b) to help support White's upcoming battle in the top right. Simply capturing the ladder stones will probably be my next move if he tries another ladder breaker.

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #85 Posted: Fri May 07, 2010 5:59 pm 
Lives in gote
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Posts: 614
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Rank: 1 Kyu KGS
KGS: Numsgil
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[go]$$Bcm61 Move 61
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . 1 . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts
I guess I leave that as a forcing exchange and move elsewhere. I want to be careful I don't give white opportunity to build up a large moyo on the right in sente.


Tactics and Variations
(Note: This is a little bit stream-of-consciousness. Sorry about that.)

If I treat the marked stones as an extension from the start stone on the right, I should make a short extension along the right now. But I also don't want to encourage white to make an extension on the right to stabilize and build a moyo. So I'll make a medium length extension. I'm a little concerned that it's a luke warm move that errs on the side of indecision.

Again, 'a' seems to be about as close to white's thickness as I want to go. If white invades, I'll make a two space extension down to stabilize my group and threaten white's a bit. Black's invasion will then be like a pincered stone and we can continue like that.

The problem is that it requires another move if I want to hold the corner territory, which might make me over concentrated. The move at 'b' is definitely more kosher for that reason. Then 'c' becomes the point to complete the corner. White probably won't let that happen, obviously.

'd' on the other side is also a big point. I'll aim for it when possible. It forms a large scale moyo, and provides some loose backup for my two stones in the center.

Click Here To Show Diagram Code
[go]$$Bcm61 Move 61
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O B B . . . . . c . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . b . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . a . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . d . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Also, importantly, the longer white doesn't capture those two stones in the ladder the more of a mistake he's making. It's just a burden he has to constantly play around. As "lessons in the fundamentals of go" advises, capture stones in a ladder as soon as you can. Don't wait for the ladder to be broken. So I'll try to form fights on the peripheral and see if I can get one to spill over into the ladder line. With any luck he might be caught in situations where those essentially dead stones force him to make sub optimal moves. If he's smart, he'll capture them next turn, though. I can then play at 'd'.

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #86 Posted: Fri May 07, 2010 6:21 pm 
Lives in gote
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KGS: Numsgil
More Tactics and Variations
Looking at it some more, I think below would have been better. It's a ladder breaker, so white has to capture the two stones. Then I can take the point on the left or right.

Click Here To Show Diagram Code
[go]$$Bcm61 Move 61
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . . . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . 1 . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #87 Posted: Sat May 08, 2010 2:44 am 
Tengen
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KGS: topazg
Strategy and Thoughts

Ok, I unarguably have sente here, and it's a really big point in the game. I'm probably just under half way caught up with that top left, but it's going to get much harder to pull back the rest. So, my thoughts and considerations:

Click Here To Show Diagram Code
[go]$$Bcm61 Move 61
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . f . . . |
$$ | . O X X . X O X X . . a . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . 1 . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . c . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . b , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . h . . . . . . . |
$$ | . . . O . g . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . i . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . d . . . O O X X X . . . . |
$$ | . . . e . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


So much to think about. I'm tempted to leave moves like "a" to Black, because I can always play "f" later. "c" might "force" Black to feel like he should jump out and then I can take "f", but that feels poor if he extends along the top. However, I don't want him to extend on the right side too. "b" is high up my priority list, and probably what I'll play - it restricts the eye-space of Black's remaining top left group in a bad way, and he can't counter with the cap at "g" as I'll cut in the middle and risk attacking everything. I want to try and swallow up the middle stones in a big way, but there's a lot of space for them to live in, so anything like that is a tall order. If I had "c", I could look at "h", but now is too early I think. I'm also tempted with the shoulder hit at "d" and then jumping up to "i", as a way of developing the middle quickly, but I'll probably lose the aji of playing at "e" to live in the corner or split Black's stones. It does have the advantage of working well with "b", but then "b" can prepare "e" too, so still I return to "b".

I'm off to a wildlife park with the kids today, but in the meantime I'll think about what I do here - "b" is about 80% likely to be my move, probably followed by "e".


Tactics and Variations

Something like this maybe ;)

Click Here To Show Diagram Code
[go]$$Bcm61 Move 61-70
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . 1 . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . 3 . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 2 , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . 7 0 . . . . . . X O . . . X X . |
$$ | . . X 6 8 . . . . . O O X X X . . . . |
$$ | . . 5 4 . X . . 9 . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Click Here To Show Diagram Code
[go]$$Bcm71 Move 71-80
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X 9 X . . . . . . . . . . . . . |
$$ | . . . . 8 . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . 6 . . . . . . . . . . . . . . . . |
$$ | . 7 5 O . . . . . . . . . O . . . . . |
$$ | . . . 3 4 . . . . . . X . . . . . . . |
$$ | . . . 1 2 . . . . . . . . O . O O . . |
$$ | . . . X O . . . 0 . . X O . . . X X . |
$$ | . . X O O . . . . . O O X X X . . . . |
$$ | . . X O . X . . X . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #88 Posted: Sat May 08, 2010 3:21 am 
Tengen
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KGS: topazg
Click Here To Show Diagram Code
[go]$$Wcm62 Move 62
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . . X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . 1 , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Yeah, I decided, this looks fun. See previous post for thoughts and variations

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #89 Posted: Sat May 08, 2010 9:48 pm 
Lives in gote
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KGS: Numsgil
Click Here To Show Diagram Code
[go]$$Bcm63 Move 63
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . 1 X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts
This is mostly a forcing move, so I can be more sure of getting at least one eye on the edge. White needs to defend. If white does not, it leads to this, where I believe life is determined by a ko (there's at least 2 ko sites I see, so it's hard for me to read out).

Click Here To Show Diagram Code
[go]$$Bcm63 Move 63
$$ ---------------------------------------
$$ | . 4 3 . . . . . . . . . . . . . . . . |
$$ | 7 O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | 6 O O X X O X O . , . . . . . X . . . |
$$ | 5 O X O . O X O . . . . . . . . . . . |
$$ | . 1 X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #90 Posted: Sat May 08, 2010 10:10 pm 
Tengen
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KGS: magicwand
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Wbaduk: rlatkfkd
DGS: magicwand
OGS: magicwand
there is no ko. white can take advantage of this meaningless move by black.
Click Here To Show Diagram Code
[go]$$Bcm63 Move 63
$$ ---------------------------------------
$$ | . 6 5 . 8 . . . . . . . . . . . . . . |
$$ | 7 O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | 4 O O X X O X O . , . . . . . X . . . |
$$ | 3 O X O . O X O . . . . . . . . . . . |
$$ | . 1 X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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"The more we think we know about
The greater the unknown"

Words by neil peart, music by geddy lee and alex lifeson

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #91 Posted: Sat May 08, 2010 10:39 pm 
Gosei
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Magicwand:
Ah, so black can't win that liberty race, even with a tenuki? Thanks, I didn't think of that, and if I had, I probably couldn't read it =). I'll have to keep my eyes out for that sort of thing.

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #92 Posted: Sun May 09, 2010 4:09 am 
Tengen
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KGS: topazg
Click Here To Show Diagram Code
[go]$$Wcm64 Move 64
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . 1 . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts

Well, I'm getting lucky here, that was another slack move by Black I think. If I'm wrong, I'll have to resign, so I've tried to read that out as well as I can, but this isn't a local L+D problem, it's a liberty race, and I'm at least one liberty ahead I think. Which means I can play to seal in, and ideally to kill outright.

Sealing in comes first though, because it works so powerfully with my thickness in the lower middle, and if I force him to live on the left in gote, that's fine be me. If he dies, I think I'd consider myself 90% caught up and the rest of the game should be possible to handle without some of the complicated overplays I had up my sleeve in the lower left and upper right.


Tactics and Variations

The key is to not respond directly to any of the hanes. Regardless of which one Black plays, White must respond with 66 below, and then connect out:

Click Here To Show Diagram Code
[go]$$Wcm64 Move 64-73
$$ ---------------------------------------
$$ | . 7 2 4 3 6 . . . . . . . . . . . . . |
$$ | . O O X 5 X O O . . . . . . . . . . . |
$$ | . O X X 0 X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | 8 O X O 9 O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . 1 . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Click Here To Show Diagram Code
[go]$$Wcm74 Move 74-76
$$ ---------------------------------------
$$ | . O X X . X 1 . . . . . . . . . . . . |
$$ | . O O X 3 X O O . . . . . . . . . . . |
$$ | . O X X X X O X X . . . . . . . . . . |
$$ | 2 O O X X O X O . , . . . . . X . . . |
$$ | X O X O O O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


The only thing I need to be careful about is whether Black can do something in sente to live at the top, such as:

Click Here To Show Diagram Code
[go]$$Wcm64 Move 64
$$ ---------------------------------------
$$ | . . . 2 . 5 . . . . . . . . . . . . . |
$$ | . O O X 4 X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | 3 O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . 1 . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


And, as he can't, I feel confident that the tenuki at "1" is correct. So, how will it pan out?

Click Here To Show Diagram Code
[go]$$Wcm64 Move 64
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X 2 3 . . . . . . . . . . . . . |
$$ | . . . 4 1 . . . . . . . . . . . . . . |
$$ | . 8 O 6 5 . . . . , . . . . . , . . . |
$$ | . . . 7 . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Black's just dead here, which means Black's going to have to play some form of sabaki I think, maybe as follows:

Click Here To Show Diagram Code
[go]$$Wcm64 Move 64
$$ ---------------------------------------
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . 9 7 3 1 . . . . . . . . . . . . . . |
$$ | . 4 O 2 . . . . . , . . . . . , . . . |
$$ | 0 5 6 a . . . . . . . . . . . . . . . |
$$ | . 8 . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


However, something like this I'm still very happy with, killing those stones and increasing my thickness further. We'll see what he does, I haven't read it out all that thoroughly as the key point was being able to tenuki the corner, but I feel confident that I'm 10 points better off again.


Fundamental Principles

In capturing races, always play the outside liberties of the opponent's group first, never start with shared liberties. 1 eye is a lot, especially near the edge when liberties can be created, so the reading for this corner was relatively simple. If Black tries to make his eye directly, I live locally and his group is still dead. Therefore he must reduce my liberties. The next move must be an eye-stealing tesuji, and then taking the liberties off the outside on the top edge. The rest is virtually unbranched.


Score and Counting

I wanted 1 point per 30 moves to catch up the game, and I should have 21 points by here (63 moves). I think it's more like 35+ after this latest move, and half way before the end of the fuseki is much better than I'd hoped, so it's all going well.


Last edited by topazg on Sun May 09, 2010 4:15 am, edited 2 times in total.
Fixing my reading error :P

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #93 Posted: Sun May 09, 2010 11:28 am 
Lives in gote
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Rank: 1 Kyu KGS
KGS: Numsgil
Click Here To Show Diagram Code
[go]$$Bcm65 Move 65
$$ ---------------------------------------
$$ | . . 1 . . . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Tactics and Variations
Huh. So in case I missed something I also read it out another way. Still dead.

Click Here To Show Diagram Code
[go]$$Bcm65 Move 65
$$ ---------------------------------------
$$ | . 3 1 . . . . . . . . . . . . . . . . |
$$ | 9 O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | 2 O X O . O X O . . . . . . . . . . . |
$$ | 4 X X O . O . . . . . . . . . . X . . |
$$ | 5 7 X O . . . . . . . . . . . . . . . |
$$ | 6 . X X 8 . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


This way is a ko again. 3 liberties vs. 3+. (+ meaning ko). Black takes first when it gets that far (fill outside liberties before inside, esp. when the inside is a ko).

Click Here To Show Diagram Code
[go]$$Bcm65 Move 65
$$ ---------------------------------------
$$ | 4 3 1 7 9 8 0 . . . . . . . . . . . . |
$$ | 5 O O X . X O O . . . . . . . . . . . |
$$ | 6 O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | 2 O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


So I dunno. Maybe white just doesn't see this? Or he thinks he can do the ko in his favor? Or there's a variation that gives him an extra liberty and makes it work for him.

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #94 Posted: Sun May 09, 2010 12:04 pm 
Tengen
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Click Here To Show Diagram Code
[go]$$Wcm66 Move 66
$$ ---------------------------------------
$$ | . . X . 1 . . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts

As per analysis on move 64...

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #95 Posted: Sun May 09, 2010 12:36 pm 
Lives in gote
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[go]$$Bcm67 Move 67
$$ ---------------------------------------
$$ | . . X . O 1 . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts
Form the largest possible internal eye.


Tactics and Variations
Not a move I read out for white. But given this continuation, black is at an advantage.
Click Here To Show Diagram Code
[go]$$Bc 4 at 2
$$ ---------------------------------------
$$ | . 6 X 2 O 1 . . . . . . . . . . . . . |
$$ | . O O X 3 X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | 7 O O X X O X O . , . . . . . X . . . |
$$ | 5 O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #96 Posted: Sun May 09, 2010 1:33 pm 
Gosei
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I just want to express, that topazg is doing an awesome job in these Malkovich Games. His explanations are well written, easy to understand and not overburdening with variations and thoughts.
Everything seems very clear and good structured. I hope, I can learn some structure for my own thoughts on my games from him =)

Really great, you must indeed be a good teacher!

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #97 Posted: Mon May 10, 2010 1:34 am 
Tengen
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KGS: topazg
Click Here To Show Diagram Code
[go]$$Wcm68 Move 68
$$ ---------------------------------------
$$ | . 1 X . O X . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Strategy and Thoughts

This is frustrating, I make another reading blunder. The two key points Black mustn't get both of are E18 (making an eye), and B19 (I will never be able to play A19 without dying in the corner due to liberties, and if he makes an internal eye I need to). For some reason, I had ignored the possibility of bE18 last move, and that would lead to a complicated internal seki. What's more annoying, is he's got it this way instead now.

However, luckily, move 64 may inadvertently save the day. It's only seki if his group on the left lives, and I think it might struggle to do so - if it dies, everything dies for Black and there is no seki.


Tactics and Variations

If he connects, he dies:

Click Here To Show Diagram Code
[go]$$Wcm68 Move 68-74
$$ ---------------------------------------
$$ | . 1 X 2 O X 7 . . . . . . . . . . . . |
$$ | . O O X 3 X O O . . . . . . . . . . . |
$$ | . O X X 6 X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | 4 O X O 5 O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


If he forms his eye, he doesn't..

Click Here To Show Diagram Code
[go]$$Wcm68 Move 68-70
$$ ---------------------------------------
$$ | . 1 4 3 O X . . . . . . . . . . . . . |
$$ | . O O X 2 X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Click Here To Show Diagram Code
[go]$$Wcm72 Move 72-80 -- Seki, but dead on the outside
$$ ---------------------------------------
$$ | . O X 1 . X 5 . . . . . . . . . . . . |
$$ | 7 O O X X X O O . . . . . . . . . . . |
$$ | 6 O X X . X O X X . . . . . . . . . . |
$$ | 4 O O X X O X O . , . . . . . X . . . |
$$ | 2 O X O 9 O X O . . . . . . . . . . . |
$$ | 8 X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . 3 O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


EDIT:

More Tactics and Variations

Originally I wanted to play E18, but of course, the reason it was one of Black's key points was that it created an eye. If I take it now, he gets both his eye and the key point at B19, so I simply must play B19:

Click Here To Show Diagram Code
[go]$$Wcm68 Move 68-69
$$ ---------------------------------------
$$ | b 2 X . O X . . . . . . . . . . . . . |
$$ | a O O X 1 X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


I'm going to need to play "a" and "b" to kill the group if it has an internal eye, and that's going to a) take me two moves to get them, and b) mean my stones are already down to 3 liberties. Not only that, but his group at the top has outside liberties - this is deader than a very dead thing for White.

If it's so important, why didn't Black play it last move?

Because then Black's misses his first priority - that internal eye - his only way of getting it is to let me capture, which means he lost the important B19 point instead:

Click Here To Show Diagram Code
[go]$$Wcm66 Move 68-74
$$ ---------------------------------------
$$ | 5 2 X 3 1 . . . . . . . . . . . . . . |
$$ | . O O X 4 X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | . O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #98 Posted: Mon May 10, 2010 1:43 am 
Tengen
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SoDesuNe wrote:
I just want to express, that topazg is doing an awesome job in these Malkovich Games. His explanations are well written, easy to understand and not overburdening with variations and thoughts.
Everything seems very clear and good structured. I hope, I can learn some structure for my own thoughts on my games from him =)

Really great, you must indeed be a good teacher!


Many thanks, you are far too kind :)

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #99 Posted: Mon May 10, 2010 9:45 am 
Lives in gote
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Click Here To Show Diagram Code
[go]$$Bcm69 Move 69
$$ ---------------------------------------
$$ | . O X . O X . . . . . . . . . . . . . |
$$ | . O O X . X O O . . . . . . . . . . . |
$$ | . O X X . X O X X . . . . . . . . . . |
$$ | . O O X X O X O . , . . . . . X . . . |
$$ | 1 O X O . O X O . . . . . . . . . . . |
$$ | . X X O . O . . . . . . . . . . X . . |
$$ | . . X O . . . . . . . . . . . . . . . |
$$ | . . X X . . . . . . . . . . . . . . . |
$$ | . . . . O . . . . . . . . . . . . . . |
$$ | . . O , . . . . . , . . . . . , . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . . O . . . . . . . . . O . . . . . |
$$ | . . . . . . . . . . . X . . . . . . . |
$$ | . . . . . . . . . . . . . O . O O . . |
$$ | . . . . . . . . . . . X O . . . X X . |
$$ | . . X , . . . . . . O O X X X . . . . |
$$ | . . . . . X . . . . O X O O . X . . . |
$$ | . . . . . . . . . . O X . . O X . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]


Maybe he sees something I don't. But I can't second guess myself like that. I still don't see a way for him to unconditionally live. If I get at least a ko out of it, I'll be happy. With that ladder I have plenty of ko threats.

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 Post subject: Re: Malkovich #27 - topazg (1d) vs Numsgil (8k)
Post #100 Posted: Mon May 10, 2010 9:57 am 
Gosei
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Not for the players.

Numsgil wrote:
Maybe he sees something I don't. But I can't second guess myself like that. I still don't see a way for him to unconditionally live. If I get at least a ko out of it, I'll be happy. With that ladder I have plenty of ko threats.


I read, that - generally speaking - a ladder is not good as a Ko-threat, because you will reach a point, where the stones in the ladder and the resulting thickness out of the capture will be bigger than the actual Ko. So in the end, maybe you are going to lose more than you can win.

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