Another Karigane special. Even though these are no komi games, which obviously affects the play, Karigane — and surely other strong players of his time — made few plays in the opening that were more than minor errors from the point of view of modern komi go.
In this game, GoGoD 1904-14-13a, Karigane's opponent, Ito Kotaro, 5 dan, made what I think we have to call a blunder, losing 22% to par, according to Elf.
I wonder if we can call this an only move problem. Elf's top choice got 59.8k rollouts, with second play getting fewer than 1.5k rollouts. Do other bots agree?
_________________ The Adkins Principle: At some point, doesn't thinking have to go on? — Winona Adkins
bolster's Black's bottom right corner and calls out to the stones on the bottom side. Karigane blocked with , but the bottom side is not quite so urgent, now.
takes the 3-3 point in the top left corner. The action now switches to the top right corner, where White plays the AI/Go Seigen 4-4 shoulder blow against Black's 5-3 stone, . and push into the center, and the turns into the corner.
and then jumps into the center, attacking Black's floating stones on a large scale while casting an eye on the top side. As Black defends in the center, connects in the top right corner and extends from the top left corner.
_________________ The Adkins Principle: At some point, doesn't thinking have to go on? — Winona Adkins
Visualize whirled peas.
Everything with love. Stay safe.
Last edited by Bill Spight on Fri Jul 03, 2020 7:48 am, edited 1 time in total.
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KGS: mathmo 4d
IGS: mathmo 4d
Speculatively: Current position: 1. C17 seems obvious. Otherwise C16. 2. There is also R16. 3. E5 doesn't seem to work.
Opp to play 1. C16 of course 2. Q15 also interesting to try to capture P8 on large scale. 3. C3 is interesting.
Past: 1. W is very thick in lower right, but actually has played a lot of stones. B has all 4 corners. W thin in E6. I like B.
Check: 1. close in some places
_________________ Give me triangles strong enough and I can measure the universe.
When Venus transits, we can align our clocks to one event. By measuring the angle to flat Earth at two places far apart on Earth, we can compute the distance to Venus and the Sun.
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Bill Spight
bolster's Black's bottom right corner and calls out to the 
stones on the bottom side. Karigane blocked with 
, but the bottom side is not quite so urgent, now.
encloses the top right corner. Only now does 
return to the bottom side. Corners before sides. (?)
presses against the top left corner, then White reduces and contains the bottom right corner.
and 
and then 
jumps into the center, attacking Black's floating stones on a large scale while casting an eye on the top side. As Black defends in the center, 
extends from the top left corner.