For lessons, as well as threads about specific moves, and anything else worth studying.
Bill Spight
Honinbo
Posts: 10905 Joined: Wed Apr 21, 2010 1:24 pmHas thanked: 3651 times Been thanked: 3373 times
Post
by Bill Spight Thu Dec 12, 2019 6:28 pm
Game 27
After
the Elf commentaries, assuming area scoring and a 7½ pt. komi, give one player a winrate estimate of 88½% with 29.6k rollouts. Which player is it?
$$Bcm27 White to play
Click Here To Show Diagram Code [go]$$Bcm27 White to play
Enjoy!
The Adkins Principle:At some point, doesn't thinking have to go on?
TelegraphGo
Lives with ko
Posts: 131 Joined: Sat Oct 05, 2019 12:32 amRank: AGA 4 danGD Posts: 0Universal go server handle: telegraphgoHas thanked: 1 time Been thanked: 18 times
Post
by TelegraphGo Fri Dec 13, 2019 3:58 am
Knotwilg
Oza
Posts: 2432 Joined: Fri Jan 14, 2011 6:53 amRank: KGS 2d OGS 1d Fox 4dGD Posts: 0KGS: ArteveldeOGS: KnotwilgOnline playing schedule: UTC 18:00 - 22:00Location: Ghent, BelgiumHas thanked: 360 times Been thanked: 1021 times
Contact:
Post
by Knotwilg Fri Dec 13, 2019 7:49 am
$$W
Click Here To Show Diagram Code [go]$$W
I doubt about many things
- Should White play
immediately?
- How important is A locally? And B?
- Is
indeed the biggest point on the board after settling the upper right?
- More in particular: how important is C?
- And how painful is D?
- Who is ahead?
First I thought: Black has the better position. But then I didn't see how he's overcoming the komi. And he really needs to spend another move in the upper left to stabilize.
So I go White, but very hesitantly so.
Edit: still without LZ
$$W
Click Here To Show Diagram Code [go]$$W
If we add the exchange of
-
as here, then Black's inefficiency comes to light. The marked White stone is negating his influence and there's a peep at A.
$$B
Click Here To Show Diagram Code [go]$$B
This is then a better result for Black. But White gets back the initiative to enlarge the top with
while threatening to clamp at A.
Edit: with LZ now. She agrees with my evaluation of my selected moves. But she disagrees with my move selection:
$$W
Click Here To Show Diagram Code [go]$$W
LZ answers
with
and gives Black a firm advantage.
xela
Lives in gote
Posts: 652 Joined: Sun Feb 09, 2014 4:46 amRank: Australian 3 danGD Posts: 200Location: Adelaide, South AustraliaHas thanked: 219 times Been thanked: 281 times
Post
by xela Sat Dec 14, 2019 6:09 pm
Hmm, I keep flip-flopping on this one.
Currently leaning towards black. First guess was white because my feeble human intuition says that white can take the last big point of the fuseki on the lower side. But we've had
enough arguments about that recently!
On a closer look, I think N17 is urgent, and the top is about to turn into a big mess that will favour black. Overall white's stones look superficially more efficient, but a bit thin.
$$Wc
Click Here To Show Diagram Code [go]$$Wc
Not sure what happens next from here, but I think black's thickness at the top left (*) will come in to play.
(*) And these days I'm also quite nervous about using words like thickness or influence...
dhu163
Lives in gote
Posts: 474 Joined: Tue Jan 05, 2016 6:36 amRank: UK 2d Dec15GD Posts: 0KGS: mathmo 4dIGS: mathmo 4dHas thanked: 62 times Been thanked: 278 times
Post
by dhu163 Mon Dec 26, 2022 11:47 am
the Elf commentaries, assuming area scoring and a 7½ pt. komi, give one player a winrate estimate of 88½% with 29.6k rollouts. Which player is it?
immediately?
indeed the biggest point on the board after settling the upper right?
as here, then Black's inefficiency comes to light. The marked White stone is negating his influence and there's a peep at A.
while threatening to clamp at A.
with 
and gives Black a firm advantage.