Redundant was kind enough to inform me that my next post would be my 3000th on L19, and that I may want to do something unique. I'm not sure if it is anything that is that significant, really. It seems pretty arbitrary, to some degree.
But in honor of his conveying this information to me, this post was made simply because it will be my 3000th.
So in honor of 3000, 3k that is, I decided to post a 3k go problem (a "3kyu" problem - "triple Q" - or "QQQ", if you will):
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O . O X . . $$ | . X O O . O X . . $$ | X O . . O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O . O X . . $$ | . X O O . O X . . $$ | X O . . O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
Thank you, eh-hem san-kyu, eh-hem QQQ, to Redundant for letting me know about my 3000th post.
Re: QQQ
Posted: Fri Jun 24, 2011 6:34 am
by topazg
First instinct:
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O 4 O X . . $$ | X O 5 . O 3 X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O 4 O X . . $$ | X O 5 . O 3 X . . $$ | . O . X O X . . . $$ -------------------[/go]
But no, that's wrong, due to:
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
So, presumably it's this:
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 4 O X . . $$ | . X O O 3 O X . . $$ | X O . 1 O 5 X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 4 O X . . $$ | . X O O 3 O X . . $$ | X O . 1 O 5 X . . $$ | . O . X O X . . . $$ -------------------[/go]
Although this is an amusing resistance too
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 5 O X . . $$ | . X X O 3 O X . . $$ | . X O O . O X . . $$ | X O . 1 O 2 X . . $$ | . O . X O X 4 . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 5 O X . . $$ | . X X O 3 O X . . $$ | . X O O . O X . . $$ | X O . 1 O 2 X . . $$ | . O . X O X 4 . . $$ -------------------[/go]
Re: QQQ
Posted: Fri Jun 24, 2011 7:15 am
by Chew Terr
Hey wait, <I'm> supposed to be 3k! Let's give it a shot!
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O 4 O X . . $$ | X O 5 . O 3 X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O 4 O X . . $$ | X O 5 . O 3 X . . $$ | . O . X O X . . . $$ -------------------[/go]
If I'm right, it's shortage of liberties. This problem was far from obvious, but doable.
Re: QQQ
Posted: Fri Jun 24, 2011 7:18 am
by Kirby
Chew Terr wrote:Hey wait, <I'm> supposed to be 3k! Let's give it a shot!
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O 4 O X . . $$ | X O 5 . O 3 X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O 4 O X . . $$ | X O 5 . O 3 X . . $$ | . O . X O X . . . $$ -------------------[/go]
If I'm right, it's shortage of liberties. This problem was far from obvious, but doable.
@Chew:
Did you consider this variation?
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
Re: QQQ
Posted: Fri Jun 24, 2011 7:24 am
by Chew Terr
@Chew:
Did you consider this variation?
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
Nope! That's what I get for getting too confident in my answer! Perhaps this, then?
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 4 O X . . $$ | . X O O 3 O X . . $$ | X O . 1 O 5 X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 4 O X . . $$ | . X O O 3 O X . . $$ | X O . 1 O 5 X . . $$ | . O . X O X . . . $$ -------------------[/go]
Re: QQQ
Posted: Fri Jun 24, 2011 7:33 am
by Kirby
Chew Terr wrote:
Nope! That's what I get for getting too confident in my answer! Perhaps this, then?
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 4 O X . . $$ | . X O O 3 O X . . $$ | X O . 1 O 5 X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 4 O X . . $$ | . X O O 3 O X . . $$ | X O . 1 O 5 X . . $$ | . O . X O X . . . $$ -------------------[/go]
Maybe...
Did you consider this variation?
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O . O X . . $$ | . X O O . O X . . $$ | X O W X O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O . O X . . $$ | . X O O . O X . . $$ | X O W X O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
Re: QQQ
Posted: Fri Jun 24, 2011 7:41 am
by Chew Terr
Kirby wrote:Did you consider this variation?
Maybe...
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O . O X . . $$ | . X O O . O X . . $$ | X O W X O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O . O X . . $$ | . X O O . O X . . $$ | X O W X O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O a O X . . $$ | . X O O . O X . . $$ | X O W X O 1 X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O a O X . . $$ | . X O O . O X . . $$ | X O W X O 1 X . . $$ | . O . X O X . . . $$ -------------------[/go]
W can't make an eye on the right, and if W captures, black 'a' makes a shortage of liberties to deny the other eye.
Re: QQQ
Posted: Fri Jun 24, 2011 8:23 am
by jts
Wow, that was bad (the pun, not the problem)
$$ a and b are miai $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 5 O X . . $$ | . X X O 3 O X . . $$ | . X O O a O X . . $$ | X O . 1 O 2 X b . $$ | . O . X O X 4 . . $$ -------------------
[go]$$ a and b are miai $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 5 O X . . $$ | . X X O 3 O X . . $$ | . X O O a O X . . $$ | X O . 1 O 2 X b . $$ | . O . X O X 4 . . $$ -------------------[/go]
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 2 O X . . $$ | . X O O . O X . . $$ | X O . 1 O 3 X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 2 O X . . $$ | . X O O . O X . . $$ | X O . 1 O 3 X . . $$ | . O . X O X . . . $$ -------------------[/go]
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 4 O X . . $$ | . X O O 3 O X . . $$ | X O . 1 O 5 X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 4 O X . . $$ | . X O O 3 O X . . $$ | X O . 1 O 5 X . . $$ | . O . X O X . . . $$ -------------------[/go]
Re: QQQ
Posted: Fri Jun 24, 2011 1:25 pm
by Jordus
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 . O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 . O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
Re: QQQ
Posted: Fri Jun 24, 2011 1:30 pm
by Kirby
Jordus wrote:
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 . O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 . O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
@Jordus:
Did you consider the following two lines of play?
1.)
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 4 O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 4 O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
2.)
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
Re: QQQ
Posted: Fri Jun 24, 2011 1:33 pm
by Jordus
Kirby wrote:
Jordus wrote:
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 . O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 . O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
@Jordus:
Did you consider the following two lines of play?
1.)
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 4 O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O 3 4 O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
2.)
$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------
[go]$$ Black to play $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X . O X . . $$ | . X X O 1 O X . . $$ | . X O O . O X . . $$ | X O . 2 O . X . . $$ | . O . X O X . . . $$ -------------------[/go]
For one...
$$ Black to play 7@1 for capture if white plays 6@a instead black gets the 4 stone group $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O 6 O X . . $$ | X O 3 4 O 5 X . . $$ | . O a X O X . . . $$ -------------------
[go]$$ Black to play 7@1 for capture if white plays 6@a instead black gets the 4 stone group $$ | . . . . . . . . . $$ | . . . . . . . . . $$ | . . X . X X . . . $$ | . . . X 2 O X . . $$ | . X X O 1 O X . . $$ | . X O O 6 O X . . $$ | X O 3 4 O 5 X . . $$ | . O a X O X . . . $$ -------------------[/go]
i'll have to get back at you for two...
Re: QQQ
Posted: Fri Jun 24, 2011 1:36 pm
by Kirby
Jordus wrote:...
For one... If white plays 6@a instead black gets the 4 stone group
@Jordus:
True, but then white still lives with some stones, even though black gets 4 stones. There is a way to kill all of white's stones. Be greedy!
