MoGo vs Steenvreter

    Keywords: Software, Tournament

MoGo (white) against Steenvreter at ICGA 2007 tournament.

[ext] http://www.grappa.univ-lille3.fr/icga/round.php?tournament=169&round=9&id=2

[Diagram]

Opening I

uurtamo suggests W10 at a.

[ext] http://computer-go.org/pipermail/computer-go/2007-June/010133.html

[Diagram]

Opening II

Double hane at B3.

[Diagram]

Fight I

Black cuts.

[Diagram]

Fight II

Squeeze. W5 at the marked stone.

[Diagram]

Fight III

Sylvain Gelly (MoGo author) gives MoGo mainline at W7 and W9.

[ext] http://computer-go.org/pipermail/computer-go/2007-June/010122.html

[Diagram]

MoGo mainline at move 34

Winning probability estimation 74%. B2 is stupid and the line is too optimistic.

[Diagram]

MoGo mainline at move 36

Estimation 81%. W7 is odd.

Magnus Persson (Viking author): "Normally making an eye is good in the semeai, and in random playouts it is a winning move in this position. But here it gives black time to win the semeai against the stones which are not protected by the eye."

[ext] http://computer-go.org/pipermail/computer-go/2007-June/010129.html

[Diagram]

Refutation?

Persson initially believed that the sequence to W9 is a disaster for Mogo playing white. But: "I don't quite see why this position is lost for white. What is the refutation for White A5?" Magnus: There is no refutation - I have a blind spot for this move... This is a reason I think these programs will be hard to beat on 9x9 soon for me at least. I overlook too many weird moves that works well.

[Diagram]

MoGo mainline refuted

W5 connects at W2. The line is given by Seo Sanghyeon

[ext] http://computer-go.org/pipermail/computer-go/2007-June/010125.html

[Diagram]

Fight IV


This is a copy of the living page "MoGo vs Steenvreter" at Sensei's Library.
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