Quoting Ingo Althöfer <[EMAIL PROTECTED]>:

Hello Magnus,

interesting and strange.
I went through your constructed game (it is repeated here
without the in-between text)

bC4 wD3 bC3 wD4 bD5 wE5 bD2 wE2 ...
... bE3 wE4 bE1 wF3!!!...
... bC1 wC5 bB5 wD6 bB6 wF1!...
...bF2 wC6 bB4!!!!!
...wF1 bE6 wF6 bF2 wE3 bD1 wF1 bF5 wF4
bF2 wPass bF1 B+3.5

Here I do not understand your counting:
Black has control over 21 sqaures, White over 15.
So, the final score of your game would be B+6.

I am assuming a komi of 2.5 that is 6-2.5=3.5.

But ... when White instead of passing continues wC2,
the game should go on with
bB2 wF1 bPass wF2, and now the score is B+2.

Black ignores w C2 and plays F1. I added the pass only because it gives us the shortest game with the correct score for this variation.


Or did I miss something?

By the way, in my experimental runs with Leela it was
really strange to see the evaluation switching between
"rather extremes" - on this little board.

I think it is completely normal and expected. MCTS is so strong on small boards that most of the time it searches variations with a certain outcome. But when the search discovers overlooked moves the score quickly change. Much more so than on larger boards.

-Magnus


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