On 29 August 2016 at 08:44, "Ingo Althöfer" <3-hirn-ver...@gmx.de> wrote:
> Hi, > > after a very interesting first game > Lukas Kraemer scored a win against Zen19X. > > Some comments by Georg Snatzke (3-dan, from codecentric company) > and sgf are here: > https://go.codecentric.de/2016-game-1/ > https://go.codecentric.de/wp-content/uploads/2016/08/cgc2016A.sgf > > Zen19X was in the lead for a very long time. > Most of the spectators started to realize around move 200 > that the table was turning. However, analysis with CrazyStone > (edition 2016) showed that already around move 150 the > distribution of outcomes of the pseudorandom games (within MCTS+) > was no longer bell-shaped, but had large side peaks. > > Just two examples: after move 153, and after move 185 > http://www.dgob.de/yabbse/index.php?action=dlattach; > topic=6212.0;attach=5157;image > http://www.dgob.de/yabbse/index.php?action=dlattach; > topic=6212.0;attach=5159;image The large peak at the left of each graph, around 85 to the left of the main peak, must show the outcomes if White kills Black's O16 group. But a kyu-player can see that that group is unconditionally alive: it has an eye at K19, with K17 and P14 as miai for a second eye. Do you think that the presence of that peak had an effect on the result of the game? Nick > > > So, Lukas had been able to create a position with a "whole-board" fight, > where MCTS must have misled Zen19X. > > Game 2 of this "best of 5" match will be played on next Sunday. > > Ingo. > _______________________________________________ > Computer-go mailing list > Computer-go@computer-go.org > http://computer-go.org/mailman/listinfo/computer-go -- Nick Wedd mapr...@gmail.com
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