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 Post subject: Re: Video series: Learning from AlphaGo
Post #61 Posted: Fri Oct 26, 2018 3:39 pm 
Lives with ko

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I just posted a new video:
Learning from AlphaGo #9: Refuting tactical counters to the tight pincer joseki

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 Post subject: Re: Video series: Learning from AlphaGo
Post #62 Posted: Sat Jun 29, 2019 6:51 am 
Lives with ko

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I just posted a new video: Learning from AlphaGo #10: countering the Sakata Opening

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 Post subject: Re: Video series: Learning from AlphaGo
Post #63 Posted: Sun Jun 30, 2019 12:54 am 
Judan

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About the badness of traditional human joseki at https://youtu.be/-Rx0mQ7ttks?t=627, Viktor Lin had a post on his blog about this based on a (pre AI I think) tewari and Weiqi TV video on the AlpgaGo teaching tool. Your point about the inside vs outside stones matches, and the white aji of the hane on outside to use that outside stone is very valuable. See #9 at https://viktorlingo.com/2018/02/15/top- ... hing-tool/

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 Post subject: Re: Video series: Learning from AlphaGo
Post #64 Posted: Sun Jun 30, 2019 2:47 am 
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Uberdude wrote:
About the badness of traditional human joseki at https://youtu.be/-Rx0mQ7ttks?t=627, Viktor Lin had a post on his blog about this based on a (pre AI I think) tewari and Weiqi TV video on the AlpgaGo teaching tool. Your point about the inside vs outside stones matches, and the white aji of the hane on outside to use that outside stone is very valuable. See #9 at https://viktorlingo.com/2018/02/15/top- ... hing-tool/


I have seen Viktor Lin's page about the teaching tool before, but I kind of forgot about it since. Thanks!

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 Post subject: Re: Video series: Learning from AlphaGo
Post #65 Posted: Sun Jun 30, 2019 7:52 am 
Gosei
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Great video! I've found myself in these variations a lot, and I find it's pretty easy to go wrong for black if you're not well prepared. There's one simplifying variation I've started using thanks to Leela if I don't want to stake the whole game on the corner fight, which is to squeeze the white cutting stones and take the outside:

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

Leela evaluates this at 44% for black, which is a couple points off of the best variations but still a one percentage point improvement over the starting position.

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This post by Dusk Eagle was liked by: gennan
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 Post subject: Re: Video series: Learning from AlphaGo
Post #66 Posted: Sun Jun 30, 2019 12:32 pm 
Lives with ko

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I'm glad you like it :)

That's an interesting variation. It wouldn't really occur to me to give away the left side stones so easily, but indeed the end result doesn't look all that bad for black. I feel black is a bit generous, but it's still a long game from here and black is very thick.

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