[Life&death] #1 God of Baduk Lee-Changho 9dan professional player even couldn't solve this
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- čas přidán 20. 05. 2020
- This life&death problem is famous as 'Lee-Changho 9p even couldn't solve'.
It is a beguiling problem :)
#Leechangho #life&death #tsemego
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Yeonwoo: are you satisfied with this ko if you are black?
Me: yes, i'm pretty satisfied
Yeonwoo: No. No, you are not.
Me: Oh ...
Hahaha
same
Very interesting problem thank you.
Can’t believe you kept coming back to mirror moves in a symmetrical position, I thought it was obvious for everyone even beginners that in a symmetrical position if a move doesn’t t work then the mirror move won t work neither ...
Hi and thank you for the video. But just for the record, would you tell me what's the state of the white stones trapped inside the black group after the tenuki at the end? Is it seki or are they counted as dead and in blacks territory?
I thought of the winning move, but I tried playing it much too soon.
parallel thinking, thinking outside the box!
it's hard because of the puzzle presentation ! Maybe in a game if this shape happened you would think easily of playing outside because there would be moves to play outside that box; it's like a magic trick your so focus on one thing that you dont see the trick !
Amazing video! I love your explanations!!!
Very cool problem! Thanks for sharing.
Very interesting!!! Maybe you can make a video about Lee-Chango
Very cool video! Thank you
When was Lee-Changho shown this problem? Was this on a TV show or something? Sounds like an interesting anecdote
One of my long time favorite problem. There was another one, that was kind of a hard time for pro players as well. I shall try to find it back. If it's ever interesting to you ^^
This is very interesting!
Very interesting thank you.
Oh I saw Wang Yuan (8dan) have a lecture on this before! But my question is that if black has to tenuki for one move to keep this group alive, then how will this be judged in a competition scenario?
Seki
感谢！
This shape reminds me.of actual tanuki
If this happens in game (japane's rules) and black choose the last solution (where they just tenuki and ignore this groop) who's territory this will be if white ignore it to ? Will this be a seki?
It's seki in all rule-sets. White has to ignore by definition or W dies inside. It's no one's territory.
Yes both groups are alive
Beautiful problem.
I figured out tenuki once it got to that diagram. Partial credit.
So its seki, but how is it scored? Are all 4 points neutral, or are the bottom two black?
I think in most rulesets they would be neutral. Ing rules might be different.
I'm confused, wouldn't that just be seki, if neither player can capture each other?
It is seki when she mean alive she meant it by anyway
Sounds exactly like zugzwang in chess.
Thinking outside the box.
Literally in this case ^^
no way, really? wow...I see, tough one really.
isnt this seki? cause neither player wants to play inside
Yes if nobody touches ;)
The problem is not basic but it goes back to the most basic rules there is in the game: the game requires 2 players. Beautiful.
Isn't this seki? Because whoever plays first is gonna die
HJ-1 hoặc LK-1 sẽ sống, sống chung hoặc 2 mắt.
Nice, harder and almost impossible in blitz games 😬😆
Nice video. It's good to see such a great player fail miserably at such an easy problem. I remember also a pro whose name i don't remember, who self-atari his stones.
I will feel less ashamed the next time I won't be able to find the solution to a problem because the only move is also the only one that I didn't take the time to read because I found it absurd at first sight.
Nice cap by the way.
Why isn't that seki? Is it becouse there are 2 black groups?
Yes it is seki and seki means also alive
It is seki, as B cannot remove the W stones.
…
Eres increíble, y muy linda
of course Lee-Changho can solve this. thank you for your nice videos. just take care of ego!
The solution was rather easy to find, it didn't even take a few seconds to guess it. This world is a weird place.
The word you're looking for is "symmetrical" 🙄
That problem was easy, I solved it in 10s… I doubt Lee ChangHo could't have solved it or maybe when he was 5 years old.
Thinking outside the box is usually not the brightest Asian power
Though you guys can pull crazy hard executions flawlessly
This is a low key racist comment.
I'm not convinced that that's the case. Do you have any data to back that claim up?