Life In 19x19 :: Interesting shapes - shapes to remember

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Interesting shapes - shapes to remember http://www.lifein19x19.com/viewtopic.php?f=15&t=16260	Page 1 of 1

Author:	Gomoto [ Sun Dec 02, 2018 1:10 pm ]
Post subject:	Interesting shapes - shapes to remember
shape #1 Black to play Click Here To Show Diagram Code `[go]$$B $$ +-------------------- $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . X . . . . $$ \| . . . X . . O . . , $$ \| . . . . . . . . . . $$ \| . . O . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . , . . . . . ,[/go]` The only move: Click Here To Show Diagram Code `[go]$$B $$ +-------------------- $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . X . . . . $$ \| . . . X . . O . . , $$ \| . . B . . . . . . . $$ \| . . O . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . , . . . . . ,[/go]`

Author:	Bill Spight [ Sun Dec 02, 2018 1:30 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
Well, I goofed! Click Here To Show Diagram Code `[go]$$Bc $$ +-------------------- $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . X . . . . $$ \| . . . X . . O . . , $$ \| . . . . . . . . . . $$ \| . . O 1 . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . , . . . . . ,[/go]`

Author:	Uberdude [ Sun Dec 02, 2018 2:50 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
Often after kick the bots like to push up. Click Here To Show Diagram Code `[go]$$B $$ +-------------------- $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . X . . . . $$ \| . . . X . 3 O . . , $$ \| . . 1 . . . . . . . $$ \| . . O 2 . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . , . . . . . ,[/go]` If you push without kick then either immediately or in future this attach and cut is a nice tactic for white to make black inefficient, hence the kick makes more sense. Click Here To Show Diagram Code `[go]$$B $$ +-------------------- $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . 3 4 . X . . . . $$ \| . . 2 X . 1 O . . , $$ \| . . . . . . . . . . $$ \| . . O . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . , . . . . . ,[/go]`

Author:	sorin [ Sun Dec 02, 2018 8:37 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
Gomoto wrote: The only move: That's almost never the case that anything is "the only move", especially in the opening. I can think of at least 4 more "only moves" Also, are there any other stones nearby? Or on the rest of the board?

Author:	Gomoto [ Sun Dec 02, 2018 10:53 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
Tenuki is always an option. Let us think about the local candidate moves in this shape. Click Here To Show Diagram Code `[go]$$Bc $$ +-------------------- $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . X . . . . $$ \| . . . X . . O . . , $$ \| . . . . . . . . . . $$ \| . . O . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . , . . . . . ,[/go]`

Author:	Joaz Banbeck [ Mon Dec 03, 2018 12:51 am ]
Post subject:	Re: Interesting shapes - shapes to remember
Click Here To Show Diagram Code `[go]$$Bc $$ +-------------------- $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . X . . . . $$ \| . . . X . . O . . , $$ \| . . . . . . . . . . $$ \| . . O . 1 . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . , . . . . . ,[/go]`

Author:	jlt [ Mon Dec 03, 2018 2:08 am ]
Post subject:	Re: Interesting shapes - shapes to remember
Click Here To Show Diagram Code `[go]$$Bc $$ +-------------------- $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . X 1 . . . $$ \| . . . X . . O . . , $$ \| . . . . . . . . . . $$ \| . . O . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . , . . . . . ,[/go]`

Author:	sorin [ Mon Dec 03, 2018 2:43 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
Click Here To Show Diagram Code `[go]$$Bc $$ +-------------------- $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . X . . . . $$ \| . . 1 X . . O . . , $$ \| . . . . . . . . . . $$ \| . . O . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . . . . . . . . $$ \| . . . , . . . . . ,[/go]`

Author:	Gomoto [ Mon Dec 03, 2018 2:51 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
@sorin Attachment: shape1.jpg [ 292.95 KiB \| Viewed 9613 times ] Attachment: shape1b.jpg [ 298.98 KiB \| Viewed 9613 times ]

Author:	Gomoto [ Mon Dec 03, 2018 2:53 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
@jlt&joaz: have a look at uberdude's variations, the combination with the kick and the push up is just better

Author:	sorin [ Mon Dec 03, 2018 8:29 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
Gomoto wrote: @sorin Attachment: shape1.jpg Attachment: shape1b.jpg Interesting, I also checked and of the several board positions I tried, it looks like LeelaZero is obsessed with kosumi-tsuke

Author:	Gomoto [ Mon Dec 03, 2018 10:28 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
So is ELFv0

Author:	jlt [ Tue Dec 04, 2018 8:52 am ]
Post subject:	Re: Interesting shapes - shapes to remember
If there are other stones nearby, LZ157 doesn't necessarily choose the kosumi-tsuke (the position below may be artificial). Attachment: shape.JPG [ 109.82 KiB \| Viewed 9534 times ]

Author:	Vio [ Sat Dec 08, 2018 9:41 pm ]
Post subject:	Re: Interesting shapes - shapes to remember
Doesn't need LZ to have a feeling that C15 inducing D14 could be a pretty bad move.

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