For lessons, as well as threads about specific moves, and anything else worth studying.
Kirby
Honinbo
Posts: 9553 Joined: Wed Feb 24, 2010 6:04 pm
GD Posts: 0
KGS: Kirby
Tygem: 커비라고해
Has thanked: 1583 times
Been thanked: 1707 times
Post
by Kirby » Wed Dec 18, 2013 4:12 pm
I thought this go problem was interesting:
$$c
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . . . . . . . . . . . |
$$ | . . . , X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . . . X . . . . . . . . . . . . . . . |
$$ | . . . , X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
be immersed
Dusk Eagle
Gosei
Posts: 1758 Joined: Tue Apr 20, 2010 4:02 pm
Rank: 4d
GD Posts: 0
Has thanked: 378 times
Been thanked: 375 times
Post
by Dusk Eagle » Wed Dec 18, 2013 5:03 pm
Is it ko?
$$c
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | 3 . O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | 7 6 5 , X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | 3 . O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | 7 6 5 , X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
We don't know who we are; we don't know where we are.
Each of us woke up one moment and here we were in the darkness.
We're nameless things with no memory; no knowledge of what went before,
No understanding of what is now, no knowledge of what will be.
moyoaji
Lives in sente
Posts: 773 Joined: Fri Jun 14, 2013 12:53 pm
Rank: KGS 1 kyu
GD Posts: 0
Universal go server handle: moyoaji
Location: Michigan, USA
Has thanked: 143 times
Been thanked: 218 times
Post
by moyoaji » Wed Dec 18, 2013 5:14 pm
Alright. Let's look at this. It seems like
is the vital point, but what can white do?
$$c Vital point?
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . 1 . X . . . . . . . . . . . . . . . |
$$ | . . . , X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c Vital point?
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . 1 . X . . . . . . . . . . . . . . . |
$$ | . . . , X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
$$c White fails - shortage of liberties
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . 1 2 X . . . . . . . . . . . . . . . |
$$ | . 5 3 4 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c White fails - shortage of liberties
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . 1 2 X . . . . . . . . . . . . . . . |
$$ | . 5 3 4 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
$$c White fails - shortage of liberties
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . 1 2 X . . . . . . . . . . . . . . . |
$$ | . 4 3 5 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c White fails - shortage of liberties
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . . O . . . . . . . . . . . . . . . . |
$$ | . 1 2 X . . . . . . . . . . . . . . . |
$$ | . 4 3 5 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
$$c White fails - connect and die
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 6 5 7 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c White fails - connect and die
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . . O . O . . . . . . . . . . . . . . |
$$ | . 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 6 5 7 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
$$c White fails - still connect and die
$$ | . 7 . . . . . . . . . . . . . . . . . |
$$ | 6 5 O . O . . . . . . . . . . . . . . |
$$ | 4 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 8 X . . . . . . . . . . . . . . . |
$$ | . 0 9 B X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c White fails - still connect and die
$$ | . 7 . . . . . . . . . . . . . . . . . |
$$ | 6 5 O . O . . . . . . . . . . . . . . |
$$ | 4 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 8 X . . . . . . . . . . . . . . . |
$$ | . 0 9 B X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
Is there anything I am missing?
"You have to walk before you can run. Black 1 was a walking move.
I blushed inwardly to recall the ignorant thoughts that had gone through
my mind before, when I had not realized the true worth of Black 1."
-Kageyama Toshiro on proper moves
DrStraw
Oza
Posts: 2180 Joined: Tue Apr 27, 2010 4:09 am
Rank: AGA 5d
GD Posts: 4312
Online playing schedule: Every tenth February 29th from 20:00-20:01 (if time permits)
Location: ʍoquıɐɹ ǝɥʇ ɹǝʌo 'ǝɹǝɥʍǝɯos
Has thanked: 237 times
Been thanked: 662 times
Contact:
Post
by DrStraw » Wed Dec 18, 2013 5:22 pm
$$c Black needs to be careful if :w6:
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 6 O . O . . . . . . . . . . . . . . |
$$ | 7 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 8 5 . X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c Black needs to be careful if :w6:
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 6 O . O . . . . . . . . . . . . . . |
$$ | 7 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 8 5 . X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
$$c This works.
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 6 O . O . . . . . . . . . . . . . . |
$$ | 8 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 9 5 7 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c This works.
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 6 O . O . . . . . . . . . . . . . . |
$$ | 8 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 9 5 7 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
Still officially AGA 5d but I play so irregularly these days that I am probably only 3d or 4d over the board (but hopefully still 5d in terms of knowledge, theory and the ability to contribute).
Kirby
Honinbo
Posts: 9553 Joined: Wed Feb 24, 2010 6:04 pm
GD Posts: 0
KGS: Kirby
Tygem: 커비라고해
Has thanked: 1583 times
Been thanked: 1707 times
Post
by Kirby » Wed Dec 18, 2013 6:06 pm
DrStraw wrote:
$$c Black needs to be careful if :w6:
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 6 O . O . . . . . . . . . . . . . . |
$$ | 7 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 8 5 . X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c Black needs to be careful if :w6:
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 6 O . O . . . . . . . . . . . . . . |
$$ | 7 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 8 5 . X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
$$c This works.
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 6 O . O . . . . . . . . . . . . . . |
$$ | 8 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 9 5 7 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c This works.
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 6 O . O . . . . . . . . . . . . . . |
$$ | 8 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 4 X . . . . . . . . . . . . . . . |
$$ | . 9 5 7 X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
be immersed
moyoaji
Lives in sente
Posts: 773 Joined: Fri Jun 14, 2013 12:53 pm
Rank: KGS 1 kyu
GD Posts: 0
Universal go server handle: moyoaji
Location: Michigan, USA
Has thanked: 143 times
Been thanked: 218 times
Post
by moyoaji » Wed Dec 18, 2013 6:13 pm
Looks like ko again.
$$c Ko, white cannot take at 'a' or it is self-atari.
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 4 O . O . . . . . . . . . . . . . . |
$$ | 5 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 6 X . . . . . . . . . . . . . . . |
$$ | 9 8 7 a X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------
Click Here To Show Diagram Code [go]$$c Ko, white cannot take at 'a' or it is self-atari.
$$ | . . . . . . . . . . . . . . . . . . . |
$$ | . 4 O . O . . . . . . . . . . . . . . |
$$ | 5 3 O . . . . . . . . . . . . . . . . |
$$ | 2 1 6 X . . . . . . . . . . . . . . . |
$$ | 9 8 7 a X . . . . , . . . . . , . . . |
$$ | O O O O X . . . . . . . . . . . . . . |
$$ | X X X X . . . . . . . . . . . . . . . |
$$ | . . . . . . . . . . . . . . . . . . . |
$$ ---------------------------------------[/go]
"You have to walk before you can run. Black 1 was a walking move.
I blushed inwardly to recall the ignorant thoughts that had gone through
my mind before, when I had not realized the true worth of Black 1."
-Kageyama Toshiro on proper moves
DrStraw
Oza
Posts: 2180 Joined: Tue Apr 27, 2010 4:09 am
Rank: AGA 5d
GD Posts: 4312
Online playing schedule: Every tenth February 29th from 20:00-20:01 (if time permits)
Location: ʍoquıɐɹ ǝɥʇ ɹǝʌo 'ǝɹǝɥʍǝɯos
Has thanked: 237 times
Been thanked: 662 times
Contact:
Post
by DrStraw » Wed Dec 18, 2013 6:34 pm
It seems that group think has arrived at the 1p solution - or have we?. Where does the problem come from?
Still officially AGA 5d but I play so irregularly these days that I am probably only 3d or 4d over the board (but hopefully still 5d in terms of knowledge, theory and the ability to contribute).
Kirby
Honinbo
Posts: 9553 Joined: Wed Feb 24, 2010 6:04 pm
GD Posts: 0
KGS: Kirby
Tygem: 커비라고해
Has thanked: 1583 times
Been thanked: 1707 times
Post
by Kirby » Wed Dec 18, 2013 8:27 pm
DrStraw wrote: It seems that group think has arrived at the 1p solution - or have we?. Where does the problem come from?
be immersed