I wouldn't consider not solving this pathological.
I think it's a pretty difficult problem.
Without a "problem warning" most amateur players would miss it too.
You can't force life and you can't force connection. The either-or is easy to
miss.
Stefan
----- Original Message -----
From: terry mcintyre
To: computer go
Sent: Sunday, December 20, 2009 7:03 PM
Subject: [computer-go] problem which current programs have difficulty solving
This gem is from one of Yilun Yang's little pocket-sized books - I think it
is called Recovery And Connections.
Neither Gnugo, Fuego, nor Many Faces of Go is able to solve it. Fuego came
closest, recognizing the best black move, but a few moves later, it lost
interest and played elsewhere. GnuGo rejects the winning move as "unsafe".
Btw, GoGui/Gnugo have a method to "find dragon status"; is there something
comparable with Fuego/GoGui?
Terry McIntyre <[email protected]>
“Politics should be limited in scope to war, protection of property, and the
occasional precautionary beheading of a member of the ruling class.” P.J.
O'Rourke
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